Optical imaging module, image capturing apparatus and electronic device

ABSTRACT

An optical imaging module includes six lens elements, the six lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has negative refractive power. The second lens element has an image-side surface being concave. The third lens element has an image-side surface being convex. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an object-side surface being concave and an image-side surface being convex. The sixth lens element has an image-side surface being concave, wherein an object-side surface and the image-side surface of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element includes at least one inflection point.

RELATED APPLICATIONS

The present application is a continuation of the application Ser. No.15/673,615, filed Aug. 10, 2017, which claims priority to U.S.Provisional Application Ser. No. 62/408,134, filed Oct. 14, 2016, whichis herein incorporated by reference.

BACKGROUND Technical Field

The present disclosure relates to an optical imaging module and an imagecapturing apparatus. More particularly, the present disclosure relatesto a compact optical imaging module and an image capturing apparatuswhich are applicable to electronic devices.

Description of Related Art

With widespread utilizations of image capturing apparatuses in differentfields, applications in various smart electronic devices such asembedded automobile devices, identification systems, entertainmentdevices, sports devices and smart home systems are becoming the trend ofthe technology development in the future, particularly portableelectronic devices which are popular among public demands. In order toprovide a wider range of user experiences, the smart electronic devicesequipped with one, two, three or more image capturing apparatuses orimaging lens apparatuses gradually become mainstream products in themarket, so that the optical imaging modules with various features hasbeen developed based on different requirements.

The optical imaging module in a conventional wide-angle lens apparatusis often equipped with spherical glass lens elements and its aperturestop being positioned closer to the image surface, thus the lenselements thereof require larger lens surfaces for receiving light andbecome difficult for size reduction of the wide-angle lens apparatus inorder to achieve compact size. Accordingly, the image capturingapparatus would become large and thick, which is not favorable forsatisfying the requirement of compactness in portable electronicdevices. Currently, the view angle of most micro image capturingapparatuses with high image quality is still very limited and unable toprovide a sufficient photographing range. Therefore, the conventionaloptical imaging modules can no longer satisfy the needs of the currenttechnology development.

SUMMARY

According to one aspect of the present disclosure, an optical imagingmodule includes six lens elements, the six lens elements being, in orderfrom an object side to an image side, a first lens element, a secondlens element, a third lens element, a fourth lens element, a fifth lenselement and a sixth lens element. The first lens element has negativerefractive power. The second lens element has an image-side surfacebeing concave. The third lens element has an image-side surface beingconvex. The fourth lens element has positive refractive power. The fifthlens element with negative refractive power has an object-side surfacebeing concave and an image-side surface being convex. The sixth lenselement has an image-side surface being concave, wherein an object-sidesurface and the image-side surface of the sixth lens element are bothaspheric, and the image-side surface of the sixth lens element includesat least one inflection point. When an axial distance between the secondlens element and the third lens element is T23, an axial distancebetween the fifth lens element and the sixth lens element is T56, afocal length of the first lens element is f1, and a focal length of thesecond lens element is f2, the following conditions are satisfied:

0<T56/T23<3.0; and

|f1/f2|<3.0.

According to another aspect of the present disclosure, an imagecapturing apparatus includes the optical imaging module according to theaforementioned aspect, a driving unit and an image sensor. The drivingunit is for driving the optical imaging module. The image sensor isdisposed on an image surface of the optical imaging module.

According to another aspect of the present disclosure, an electronicdevice includes the image capturing apparatus according to the foregoingaspect and an imaging lens apparatus, wherein a maximum field of view ofthe imaging lens apparatus is smaller than a maximum field of view ofthe optical imaging module.

According to another aspect of the present disclosure, an opticalimaging module includes six lens elements, the six lens elements being,in order from an object side to an image side, a first lens element, asecond lens element, a third lens element, a fourth lens element, afifth lens element and a sixth lens element. The first lens element hasnegative refractive power. The second lens element has an image-sidesurface being concave. The third lens element has an image-side surfacebeing convex. The fifth lens element with negative refractive power hasan object-side surface being concave and an image-side surface beingconvex. The sixth lens element has an image-side surface being concave,wherein an object-side surface and the image-side surface of the sixthlens element are both aspheric, and the image-side surface of the sixthlens element includes at least one inflection point. When a focal lengthof the optical imaging module is f, a central thickness of the sixthlens element is CT6, a focal length of the first lens element is f1, anda focal length of the second lens element is f2, the followingconditions are satisfied:

0.30<f/CT6<3.50; and

|f1/f2|<3.0.

According to another aspect of the present disclosure, an opticalimaging module includes six lens elements, the six lens elements being,in order from an object side to an image side, a first lens element, asecond lens element, a third lens element, a fourth lens element, afifth lens element and a sixth lens element. The first lens element hasnegative refractive power. The second lens element has an object-sidesurface being convex. The third lens element has an image-side surfacebeing convex. The fourth lens element has positive refractive power. Thefifth lens element with negative refractive power has an object-sidesurface being concave and an image-side surface being convex. The sixthlens element has an image-side surface being concave, wherein anobject-side surface and the image-side surface of the sixth lens elementare both aspheric, and the image-side surface of the sixth lens elementincludes at least one inflection point. When a central thickness of thefirst lens element is CT1, and a central thickness of the sixth lenselement is CT6, the following condition is satisfied:

0<CT1/CT6<0.60.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic view of an image capturing apparatus according tothe 1st embodiment of the present disclosure;

FIG. 2 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 1stembodiment;

FIG. 3 is a schematic view of an image capturing apparatus according tothe 2nd embodiment of the present disclosure;

FIG. 4 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 2ndembodiment;

FIG. 5 is a schematic view of an image capturing apparatus according tothe 3rd embodiment of the present disclosure;

FIG. 6 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 3rdembodiment;

FIG. 7 is a schematic view of an image capturing apparatus according tothe 4th embodiment of the present disclosure;

FIG. 8 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 4thembodiment;

FIG. 9 is a schematic view of an image capturing apparatus according tothe 5th embodiment of the present disclosure;

FIG. 10 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 5thembodiment;

FIG. 11 is a schematic view of an image capturing apparatus according tothe 6th embodiment of the present disclosure;

FIG. 12 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 6thembodiment;

FIG. 13 is a schematic view of an image capturing apparatus according tothe 7th embodiment of the present disclosure;

FIG. 14 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 7thembodiment;

FIG. 15 is a schematic view of an image capturing apparatus according tothe 8th embodiment of the present disclosure;

FIG. 16 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 8thembodiment;

FIG. 17 is a schematic view of an image capturing apparatus according tothe 9th embodiment of the present disclosure;

FIG. 18 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 9thembodiment;

FIG. 19 is a schematic view of an image capturing apparatus according tothe 10th embodiment of the present disclosure;

FIG. 20 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 10thembodiment;

FIG. 21 is a schematic view of an image capturing apparatus according tothe 11th embodiment of the present disclosure;

FIG. 22 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 11thembodiment;

FIG. 23 is a schematic view of an image capturing apparatus according tothe 12th embodiment of the present disclosure;

FIG. 24 shows spherical aberration curves, astigmatic field curves and adistortion curve of the image capturing apparatus according to the 12thembodiment;

FIG. 25 shows a schematic view of the parameter Y11 of the opticalimaging module of the image capturing apparatus according to FIG. 1;

FIG. 26 shows a schematic view of the parameter Y62 of the opticalimaging module of the image capturing apparatus according to FIG. 1;

FIG. 27 shows a schematic view of the parameter Sag11 of the opticalimaging module of the image capturing apparatus according to FIG. 1;

FIG. 28 shows a schematic view of the parameter Sag21 of the opticalimaging module of the image capturing apparatus according to FIG. 1;

FIG. 29 shows a schematic view of the parameter Yc62 of the opticalimaging module of the image capturing apparatus according to FIG. 1;

FIG. 30 is a schematic view of an image capturing apparatus according tothe 13th embodiment of the present disclosure;

FIG. 31 is a three dimensional schematic view of an image capturingapparatus according to the 14th embodiment of the present disclosure;

FIG. 32A is a schematic view of one side of an electronic deviceaccording to the 15th embodiment of the present disclosure;

FIG. 32B is a schematic view of another side of the electronic device ofFIG. 32A;

FIG. 32C is a system schematic view of the electronic device of FIG.32A;

FIG. 33 is a schematic view of an electronic device according to the16th embodiment of the present disclosure;

FIG. 34 is a schematic view of an electronic device according to the17th embodiment of the present disclosure;

FIG. 35 is a schematic view of an electronic device according to the18th embodiment of the present disclosure;

FIG. 36 is a schematic view of an electronic device according to the19th embodiment of the present disclosure;

FIG. 37 is a schematic view of an electronic device according to the20th embodiment of the present disclosure;

FIG. 38 is a schematic view of an electronic device according to the21th embodiment of the present disclosure; and

FIG. 39 is a schematic view of an electronic device according to the22th embodiment of the present disclosure.

DETAILED DESCRIPTION

An optical imaging module includes six lens elements, in order from anobject side to an image side, a first lens element, a second lenselement, a third lens element, a fourth lens element, a fifth lenselement and a sixth lens element.

The first lens element has negative refractive power. Therefore, it isfavorable for enlarging the field of view of the optical imaging moduleso as to satisfy requirements of various applications. The first lenselement can have an object-side surface being concave, so that thecurvature of the first lens element can be well distributed to avoid anysingle lens surface with overly large curvature, which would reduce themanufacturability. At least one of the object-side surface and animage-side surface of the first lens element can include at least oneinflection point. Therefore, it is favorable for effectively reducingthe space proportion occupied by the first lens element, so that theoptical imaging module can be prevented from being excessively large,and becomes favorable in designs and applications for compact electronicdevices.

The second lens element can have positive refractive power. Therefore,the light converging ability of the object side of the optical imagingmodule can be provided so as to miniaturize the image capturingapparatus and the electronic device. The second lens element can have anobject-side surface being convex. Therefore, it is favorable forreceiving the light with a larger range from the first lens element andavoiding the total reflection resulted from a large incident angle in anoff-axial region thereof, so as to reduce the unwanted light spots inthe image. The second lens element can have an image-side surface beingconcave. Therefore, it is favorable for balancing aberrations of theoptical imaging module so as to enhance image quality with high clarity.

The third lens element can have positive refractive power. Therefore,the positive refractive power of the optical imaging module can beeffectively distributed between the third lens element and the fourthlens element, so that excessive aberrations and the stray light resultedfrom overly large curvature of the fourth lens element can be avoided.The third lens element can have an image-side surface being convex.Therefore, it is favorable for enhancing the symmetry of the opticalimaging module so as to prevent excessive aberrations. The fourth lenselement can have positive refractive power. Therefore, it is favorablefor providing the main portion of light convergence power of the opticalimaging module to control the total track length thereof so as tosatisfy the requirements of compact electronic devices. The fourth lenselement can have an image-side surface being convex. Therefore, it isfavorable for enhancing the light converging ability of the image sideof the optical imaging module so as to provide a retro-focus structureto be applicable to various image capturing apparatus with large fieldof view.

The fifth lens element has negative refractive power. Therefore, it isfavorable for balancing the retro-focus design so as to effectivelycontrol the total track length of the optical imaging module andcorrecting the lateral chromatic aberration. The fifth lens element hasan object-side surface being concave and an image-side surface beingconvex. Therefore, it is favorable for correcting off-axial aberrations,such as astigmatism etc.

At least one of object-side surfaces and image-side surfaces of thefourth lens element and the fifth lens element can include at least oneinflection point. Therefore, it is favorable for correcting distortionand off-axial aberrations of the optical imaging module.

The sixth lens element can have an object-side surface being convex.Therefore, it is favorable for controlling the strength of refractivepower with the surface shape so as to provide a correction lens designto enhance aberration corrections. The sixth lens element has animage-side surface being concave. Therefore, it is favorable forcontrolling the back focal length and maintaining the overall size ofthe optical imaging module being compact. The image-side surface of thesixth lens element includes at least one inflection point. Therefore, itis favorable for correcting off-axial aberrations and Petzval fieldcurvature.

The optical imaging module can further include an aperture stop, whichcan be disposed between the second lens element and the third lenselement. Therefore, it is favorable for enhancing the symmetry of theoptical imaging module so as to avoid excessive aberrations.

When an axial distance between the second lens element and the thirdlens element is T23, and an axial distance between the fifth lenselement and the sixth lens element is T56, the following condition issatisfied: 0<T56/T23<3.0. Therefore, it is favorable for the spatialconfiguration of the optical imaging module and the off-axial aberrationcorrection so as to avoid blurs around the image periphery. Preferably,the following condition is satisfied: 0<T56/T23<1.50. More preferably,the following condition is satisfied: 0<T56/T23<0.80.

When a focal length of the first lens element is f1, and a focal lengthof the second lens element is f2, the following condition is satisfied:|f1/f21<3.0. Therefore, it is favorable for obtaining greater field ofview by the first lens element with sufficient refractive power so as toenlarge the photographing range. Preferably, the following condition issatisfied: |f1/f2|<2.0. More preferably, the following condition issatisfied: |f1/f2|<1.0.

When a focal length of the optical imaging module is f, and a centralthickness of the sixth lens element is CT6, the following condition issatisfied: 0.30<f/CT6<3.50. Therefore, it is favorable for improving thestructural strength and yield rate by avoiding the thickness of thesixth lens element being too thin. Preferably, the following conditionis satisfied: 0.80<f/CT6<3.50. More preferably, the following conditionis satisfied: 1.20<f/CT6<3.50.

When a central thickness of the first lens element is CT1, and thecentral thickness of the sixth lens element is CT6, the followingcondition is satisfied: 0<CT1/CT6<0.60. Therefore, it is favorable forbalancing the lens thickness configuration between the object side andthe image side of the optical imaging module so as to increase thestability of the optical imaging module.

When an axial distance between the object-side surface of the first lenselement and an image surface is TL, and a maximum image height of theoptical imaging module is ImgH, the following condition is satisfied:TL/ImgH<3.50. Therefore, it is favorable for achieving the compact sizeof the optical imaging module with sufficient light receiving range, soas to increase the image brightness and enhance the image quality.Preferably, the following condition is satisfied: 1.50<TL/ImgH<2.50.

When a curvature radius of an object-side surface of the third lenselement is R5, and a curvature radius of the image-side surface of thethird lens element is R6, the following condition is satisfied:0<(R5+R6)/(R5−R6)<1.0. Therefore, it is favorable for balancing the lensshape distribution of the optical imaging module with improved symmetryso as to enhance the image quality by having a desirable curvatureconfiguration of the third lens element.

When an axial distance between the first lens element and the secondlens element is T12, and the axial distance between the second lenselement and the third lens element is T23, the following condition issatisfied: 0<T12/T23<2.80. Therefore, it is favorable for avoiding theaxial distance between the first lens element and the second lenselement being excessively large while reducing the effective radius ofthe first lens element, so that the favorable aperture size of theelectronic device may be obtained. Preferably, the following conditionis satisfied: 0.30<T12/T23<1.80.

When a half of a maximum field of view of the optical imaging module isHFOV, the following condition is satisfied: 1.20<tan(HFOV)<6.0.Therefore, it is favorable for obtaining the desirable photographingrange of the optical imaging module so as to satisfy the demands offurther applications. Preferably, the following condition is satisfied:1.50<tan(HFOV)<3.5.

When an f-number of the optical imaging module is Fno, the followingcondition is satisfied: 1.40<Fno<2.80. Therefore, it is favorable forcontrolling the incident light range so as to ensure enough light on animage sensor and avoid insufficient image brightness.

When a maximum effective radius of the object-side surface of the firstlens element is Y11, and a maximum effective radius of the image-sidesurface of the sixth lens element is Y62, the following condition issatisfied: 0.50<Y11/Y62<1.50. Therefore, it is favorable for effectivelybalancing the sizes of the lens elements between the object side and theimage side of the optical imaging module, so as to avoid the opticalimaging module being too large due to larger lens elements at the objectside, and to avoid limited field of view resulted from smaller lenselements at the object side. Preferably, the following condition issatisfied: 0.50<Y11/Y62<1.10.

When an Abbe number of the fifth lens element is V5, and an Abbe numberof the sixth lens element is V6, the following condition is satisfied:0<V5/V6<0.50. Therefore, it is favorable for correcting the chromaticaberration so as to avoid image overlapping due to imaged positionshifts from the light of different wavelengths.

When the focal length of the optical imaging module is f, a focal lengthof the third lens element is f3, and a focal length of the fourth lenselement is f4, the following condition is satisfied:−0.50<(f/f3)−(f/f4)<0.50. Therefore, it is favorable for moderating therefractive power of the third lens element and the fourth lens elementso as to avoid significant aberrations from excessive power differencesbetween the third lens element and the fourth lens element.

When the axial distance between the fifth lens element and the sixthlens element is T56, and the central thickness of the sixth lens elementis CT6, the following condition is satisfied: T56/CT6<0.80. Therefore,it is favorable for a better lens design by increasing the spatialconfiguration efficiency of the image side of the optical imagingmodule. Preferably, the following condition is satisfied: T56/CT6<0.50.

When a curvature radius of the object-side surface of the sixth lenselement is R11, a curvature radius of the image-side surface of thesixth lens element is R12, and the central thickness of the sixth lenselement is CT6, the following condition is satisfied:1.50<(|R11|+|R12|)/CT6<5.50. Therefore, it is favorable for an effectiveconfiguration of the shapes and curvature strength of the sixth lenselement so as to correct off-axial aberrations.

When the axial distance between the object-side surface of the firstlens element and the image surface is TL, and the focal length of theoptical imaging module is f, the following condition is satisfied:2.0<TL/f<3.0. Therefore, it is favorable for providing thespecifications of the optical imaging module with the wide field of viewand being applicable to the electronic devices with thin form factor inaccordance with the current market demands.

When a displacement in parallel with an optical axis from an axialvertex on the object-side surface of the first lens element to a maximumeffective radius position on the object-side surface of the first lenselement is Sag11, and a displacement in parallel with the optical axisfrom an axial vertex on the object-side surface of the second lenselement to a maximum effective radius position on the object-sidesurface of the second lens element is Sag21, the following condition issatisfied: |Sag11/Sag21|<10.0. Therefore, it is favorable foreffectively controlling the curvature strength of the lens elements ofthe object side of the optical imaging module so as to avoid mechanicaldesign difficulties and poor aesthetics resulted from the excessivelylarge opening for the optical imaging module in the electronic device.Preferably, the following condition is satisfied: |Sag11/Sag21|<5.00.More preferably, the following condition is satisfied:0.30<|Sag11/Sag21|<2.0.

When a distortion percentage on the maximum image height of the opticalimaging module is DST1.0, and the maximum field of view of the opticalimaging module is FOV, the following condition is satisfied:|DST1.0/FOV|<0.25 (%/degrees). Therefore, it is favorable forcontrolling the total track length and maintaining the large field ofview while having enough light receiving area, so as to overcome thedisadvantages of insufficient off-axial brightness in a conventionalwide-angle lens apparatus.

When the focal length of the optical imaging module is f, the focallength of the first lens element is f1, and the focal length of thesecond lens element is f2, the following condition is satisfied:0.80<|f/f1|+|f/f2|<3.80. Therefore, it is favorable for havingsufficient refractive power of the object side of the optical imagingmodule so as to effectively control the field of view in a limitedspace. Preferably, the following condition is satisfied:1.0<|f/f1|+|f/f2|<2.80.

When the focal length of the first lens element is ft and a focal lengthof the fifth lens element is f5, the following condition is satisfied:0.30<f1/f5<1.0. Therefore, it is favorable for balancing the negativerefractive power arrangement between the lens elements of the objectside and the image side so as to achieve a proper specification.

When an axial distance between the aperture stop and the image-sidesurface of the sixth lens element is SD, and an axial distance betweenthe object-side surface of the first lens element and the image-sidesurface of the sixth lens element is TD, the following condition issatisfied: 0.50<SD/TD<0.80. Therefore, it is favorable for effectivelybalancing the field of view and the total track length by controllingthe location of the aperture stop, and enhancing the compact size andpracticality of the electronic device.

When a vertical distance between a critical point in an off-axial regionon the image-side surface of the sixth lens element and the optical axisis Yc62, and the focal length of the optical imaging module is f, thefollowing condition is satisfied: 0.50<Yc62/f<1.0. Therefore, it isfavorable for controlling the incident angle of the off-axial light onthe image sensor and correcting off-axial aberrations while maintainingthe sufficient image height and imaging range.

When the distortion percentage on the maximum image height of theoptical imaging module is DST1.0, the following condition is satisfied:|DST1.0|<30%. Therefore, it is favorable for avoiding serious distortionand vignetting effect in the off-axial regions of the image.

When the focal length of the first lens element is f1, and the focallength of the fourth lens element is f4, the following condition issatisfied: f4/f1<−0.20. Therefore, it is favorable for the pairing ofthe negative refractive power of the first lens element and the positiverefractive power of the fourth lens element so as to enhance the imagequality. Preferably, the following condition is satisfied:−2.50<f4/f1<−0.50.

When the axial distance between the first lens element and the secondlens element is T12, the axial distance between the second lens elementand the third lens element is T23, an axial distance between the thirdlens element and the fourth lens element is T34, an axial distancebetween the fourth lens element and the fifth lens element is T45, andthe axial distance between the fifth lens element and the sixth lenselement is T56, the following condition is satisfied:(T12+T56)/(T23+T34+T45)<3.0. Therefore, it is favorable for effectivelybalancing the spatial configuration of the optical imaging module toachieve a better space utilization.

When a maximum value among refractive indices of the first lens element,the second lens element, the third lens element, the fourth lenselement, the fifth lens element and the sixth lens element is Nmax, thefollowing condition is satisfied: 1.60<Nmax<1.72. Therefore, it isfavorable for balancing the aberrations by having lens configurationwith consideration as a whole optical imaging module and optimizingshape properties of the lens surfaces with a higher degree of freedom.

According to the optical imaging module of the present disclosure, thelens elements thereof can be made of plastic or glass materials. Whenthe lens elements are made of plastic materials, the manufacturing costcan be effectively reduced. When the lens elements are made of glassmaterials, the arrangement of the refractive power of the opticalimaging module may be more flexible to design. Furthermore, surfaces ofeach lens element can be arranged to be aspheric, since the asphericsurface of the lens element is easy to form a shape other than sphericalsurfaces so as to have more controllable variables for eliminatingaberrations thereof, and to further decrease the required number of thelens elements. Therefore, the total track length of the optical imagingmodule can also be reduced.

According to the optical imaging module of the present disclosure, eachof an object-side surface and an image-side surface has a paraxialregion and an off-axial region. The paraxial region refers to the regionof the surface where light rays travel close to an optical axis, and theoff-axial region refers to the region of the surface away from theparaxial region. Particularly unless otherwise specified, when the lenselement has a convex surface, it indicates that the surface can beconvex in the paraxial region thereof; when the lens element has aconcave surface, it indicates that the surface can be concave in theparaxial region thereof. According to the optical imaging module of thepresent disclosure, the refractive power or the focal length of a lenselement being positive or negative may refer to the refractive power orthe focal length in a paraxial region of the lens element.

According to the optical imaging module of the present disclosure, acritical point is a non-axial point of the lens surface where itstangent is perpendicular to the optical axis, wherein a convex criticalpoint is a critical point located on a convex shape of the lens surface.

According to the optical imaging module of the present disclosure, theoptical imaging module can include at least one stop, such as anaperture stop, a glare stop or a field stop. The glare stop or the fieldstop is for eliminating to the stray light and thereby improving theimage resolution thereof.

According to the optical imaging module of the present disclosure, theimage surface, depending on the corresponding image sensor, can be aplanar surface or a curved surface with any curvature, particularly acurved surface being concave toward the object side.

According to the optical imaging module of the present disclosure, anaperture stop can be configured as a middle stop. A middle stop disposedbetween the first lens element and the image surface is favorable forenlarging the field of view of the optical imaging module and therebyprovides a wider field of view for the same.

According to the optical imaging module of the present disclosure, theoptical imaging module can be optionally applied to moving focus opticalsystems. Furthermore, the optical imaging module is featured with goodcorrection ability and high image quality, and can be applied to 3D(three-dimensional) image capturing applications, in products such asdigital cameras, mobile devices, digital tablets, smart TVs, networkmonitoring devices, motion sensing input devices, driving recorders,rear view camera systems, extreme sports cameras, industrial robots,wearable devices and other electronic imaging products.

According to the present disclosure, an image capturing apparatus isfurther provided. The image capturing apparatus includes theaforementioned optical imaging module according to the presentdisclosure, a driving unit and an image sensor. The driving unit is fordriving the optical imaging module. The image sensor is disposed on theimage surface of the optical imaging module. Therefore, it is favorablefor simultaneously satisfying the requirements of the large field ofview, the compact size and the superior image quality. Preferably, theimage capturing apparatus can further include a barrel member, a holdermember or a combination thereof.

According to the image capturing apparatus of the present disclosure,the driving unit can be for capturing clear images under various objectdistances. The driving unit may include an auto focus (AF) element toachieve a better imaging position, wherein a driving mechanism thereofmay be implemented by a voice coil motor (VCM), a microelectromechanicalsystem (MEMS), a shape memory alloy and the like. The driving unit mayalso adjust the displacements of the optical imaging module alongvarious axial directions to compensate for the image blur resulted fromthe shaking while photographing according to the methods such as opticalimage stabilization (OIS), electric image stabilization (EIS) and so on.

According to the image capturing apparatus of the present disclosure,the image capturing apparatus can further include a light blockingelement to act as a stop, such as an aperture stop, a glare stop, aflare stop and so on, wherein the light blocking element may be featuredwith fixed luminous flux or adjustable luminous flux. In case the lightblocking element acts as the glare stop or the flare stop, a lightblocking range of the light blocking element is not substantiallygreater than 30% of a light non-blocking range thereof preferably.Furthermore, the word “substantially” indicates a range covering ±10%expansion of a given value in the present disclosure.

When the light blocking element is featured with fixed luminous flux,the light blocking element may be made of a composite material.Preferably, a thickness parallel to the optical axis of the lightblocking element is not greater than 0.04 mm. More preferably, thethickness parallel to the optical axis of the light blocking element maybe substantially 0.018 mm, 0.023 mm and so on. When the light blockingelement is featured with adjustable luminous flux, the luminous flux maybe adjusted according to changes of a mechanical mean or liquid crystal.Furthermore, the light blocking element featured with adjustableluminous flux may be disposed on an object side of the image capturingapparatus or between the first lens element and the image sensor.

According to the image capturing apparatus of the present disclosure,each of the lens elements includes a portion inside an effective radius(i.e. a portion passed by the effective light) and a portion outside theeffective radius. The portion outside the effective radius may include aconnecting structure for alignment with another adjacent lens element.In addition, the portion outside the effective radius may be processedby a treatment, such as sandblasting, laser processing, electricaldischarge, coating, or a surface microstructure design for reducing thestray light and further avoiding unwanted artifacts in the image.

According to the image capturing apparatus of the present disclosure,the lens elements may be non-circular, such as rectangular, chamferedrectangular, irregular shapes and so on. It is advantageous in reducingthe volume of the image capturing apparatus, thereby reducing thethickness of the electronic device, increasing the image height forenhancing the receiving range of the light, as well as improving theimage brightness and image quality.

According to the present disclosure, an electronic device is provided,wherein the electronic device includes the aforementioned imagecapturing apparatus and an imaging lens apparatus, and a maximum fieldof view of the imaging lens apparatus is smaller than the maximum fieldof view of the optical imaging module of the image capturing apparatus.Therefore, the electronic device equipped with a dual-lens apparatus(one lens indicates the image capturing apparatus, the other lensindicates the imaging lens apparatus, and a total of two lenses) isfavorable for satisfying the need for compact size while enhancing theimage quality. Preferably, the electronic device can further include butnot limited to a control unit, a display, a storage unit, a randomaccess memory unit (RAM) or a combination thereof.

According to the electronic device of the present disclosure, theoptical imaging module or the image capturing apparatus can be appliedtogether with one, two or more imaging lens apparatuses, wherein thefield of view of at least one imaging lens apparatus may be differentfrom the field of view of the optical imaging module of the imagecapturing apparatus. The image capturing apparatus and the imaging lensapparatus may be applied together with an image signal processor (ISP)to enhance a depth of field effect, and achieve the functionalities oftelephoto and macro photography. Furthermore, the functions of opticalzoom and digital zoom may be integrated thereof to change themagnification to achieve the zoom effect, wherein the magnification ofthe electronic device may be 2 to 20 times. The arrangement between theoptical imaging module of the image capturing apparatus and the imaginglens apparatus of the electronic device of the present disclosure may belisted below but not limited:

(a) The electronic device includes the optical imaging module of thepresent disclosure and one imaging lens apparatus, wherein a field ofview of the imaging lens apparatus is substantially 70 degrees to 90degrees, and the optical axis of the optical imaging module and anoptical axis of the imaging lens apparatus are substantially parallel toeach other.

(b) The electronic device includes the optical imaging module of thepresent disclosure and one imaging lens apparatus, wherein a field ofview of the imaging lens apparatus is substantially 40 degrees to 60degrees, and the optical axis of the optical imaging module and anoptical axis of the imaging lens apparatus are substantially parallel toeach other.

(c) The electronic device includes the optical imaging module of thepresent disclosure and one imaging lens apparatus, wherein a field ofview of the imaging lens apparatus is substantially 20 degrees to 50degrees. The optical axis of the optical imaging module and an opticalaxis of the imaging lens apparatus are substantially perpendicular toeach other, wherein the imaging lens apparatus may include one or tworeflective elements, and the reflective element may be a prism, a mirroror the like.

(d) The electronic device includes the optical imaging module of thepresent disclosure and two imaging lens apparatuses, wherein fields ofview of the two imaging lens apparatuses are substantially 70 degrees to90 degrees, and 20 degrees to 50 degrees respectively. The optical axisof the optical imaging module and an optical axis of at least one of theimaging lens apparatuses are substantially perpendicular to each other.At least one of the imaging lens apparatuses may include at least onereflective element, wherein the reflective element may be a prism, amirror or the like.

According to the electronic device of the present disclosure, theelectronic device may include multiple lens apparatuses (one of those isthe image capturing apparatus of the present disclosure). The lensapparatus with a field of view of substantially 70 degrees to 90 degreesmay be configured with an image sensor of 12M (Mega Pixels), 13M, 16M,20M or 24M preferably. The lens apparatus with a field of view ofsubstantially 20 degrees to 50 degrees, or 110 degrees to 200 degreesmay be configured with an image sensor of VGA, 1M, 5M, 8M, 12M or 13Mpreferably. The optical imaging module of the image capturing apparatusof the present disclosure may be configured with an image sensor of 5M,8M or 12M preferably. Furthermore, a microlens array may be disposed onan object side of the image sensor to detect the intensity, color anddirection of the light, so as to focus after images being captured toachieve the effect of the light field camera.

According to the electronic device of the present disclosure, theelectronic device may include multiple lens apparatuses (one of those isthe image capturing apparatus of the present disclosure). The lensapparatus with a field of view of substantially 70 degrees to 90 degreesmay have an Fno value of 1.20 to 2.0 preferably. The lens apparatus witha field of view of substantially 20 degrees to 50 degrees, or 110degrees to 200 degrees may have an Fno value of 1.60 to 2.60 preferably.

According to the electronic device of the present disclosure, theelectronic device may have functions of image processing andcommunication, and may include the image capturing apparatus, theimaging lens apparatus, a touch screen, an iris identification module, afingerprint identification module, a sensing element, a flash module, aninfrared focusing module, a laser focusing module, an image signalprocessor and so on.

According to the electronic device of the present disclosure, aprotection housing on the object side of each of the lens apparatuses(one of those is the image capturing apparatus of the presentdisclosure) may be provided. The protection housing may be planar ornon-planar. The protection housing may be disposed on a housing of theelectronic device, and may be located on the same side or on a differentside with the screen of the electronic device.

According to the above description of the present disclosure, thefollowing 1st-22th specific embodiments are provided for furtherexplanation.

1st Embodiment

FIG. 1 is a schematic view of an image capturing apparatus according tothe 1st embodiment of the present disclosure. FIG. 2 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the1st embodiment. In FIG. 1, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 190, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 110, a second lens element 120, an aperture stop 100, athird lens element 130, a fourth lens element 140, a fifth lens element150, a sixth lens element 160, an IR-cut filter 170 and an image surface180. The image sensor 190 is disposed on the image surface 180 of theoptical imaging module. The optical imaging module includes six lenselements (110, 120, 130, 140, 150 and 160) without additional one ormore lens elements inserted between the first lens element 110 and thesixth lens element 160.

The first lens element 110 with negative refractive power has anobject-side surface 111 being concave and an image-side surface 112being concave. The first lens element 110 is made of a plastic material,and has the object-side surface 111 and the image-side surface 112 beingboth aspheric.

The second lens element 120 with positive refractive power has anobject-side surface 121 being convex and an image-side surface 122 beingconcave. The second lens element 120 is made of a plastic material, andhas the object-side surface 121 and the image-side surface 122 beingboth aspheric.

The third lens element 130 with positive refractive power has anobject-side surface 131 being convex and an image-side surface 132 beingconvex. The third lens element 130 is made of a plastic material, andhas the object-side surface 131 and the image-side surface 132 beingboth aspheric.

The fourth lens element 140 with positive refractive power has anobject-side surface 141 being convex and an image-side surface 142 beingconvex. The fourth lens element 140 is made of a plastic material, andhas the object-side surface 141 and the image-side surface 142 beingboth aspheric.

The fifth lens element 150 with negative refractive power has anobject-side surface 151 being concave and an image-side surface 152being convex. The fifth lens element 150 is made of a plastic material,and has the object-side surface 151 and the image-side surface 152 beingboth aspheric. The sixth lens element 160 with negative refractive powerhas an object-side surface 161 being convex and an image-side surface162 being concave. The sixth lens element 160 is made of a plasticmaterial, and has the object-side surface 161 and the image-side surface162 being both aspheric.

The IR-cut filter 170 is made of a glass material and located betweenthe sixth lens element 160 and the image surface 180, and will notaffect the focal length of the optical imaging module.

The equation of the aspheric surface profiles of the aforementioned lenselements of the 1st embodiment is expressed as follows:

${{X(Y)} = {{( {Y^{2}\text{/}R} )\text{/}( {1 + {{sqrt}( {1 - {( {1 + k} ) \times ( {Y\text{/}R} )^{2}}} )}} )} + {\sum\limits_{i}{({Ai}) \times ( Y^{\prime} )}}}},$

where,

X is the relative distance between a point on the aspheric surfacespaced at a distance Y from the optical axis and the tangential plane atthe aspheric surface vertex on the optical axis;

Y is the vertical distance from the point on the aspheric surface to theoptical axis;

R is the curvature radius;

k is the conic coefficient; and

Ai is the i-th aspheric coefficient.

In the optical imaging module according to the 1st embodiment, when afocal length of the optical imaging module is f, an f-number of theoptical imaging module is Fno, and half of a maximum field of view ofthe optical imaging module is HFOV, these parameters have the followingvalues: f=1.61 mm; Fno=2.39; and HFOV=60.0 degrees.

In the optical imaging module according to the 1st embodiment, when amaximum value among refractive indices of the first lens element 110,the second lens element 120, the third lens element 130, the fourth lenselement 140, the fifth lens element 150 and the sixth lens element 160is Nmax, the following condition is satisfied: Nmax=1.660.

In the optical imaging module according to the 1st embodiment, when anAbbe number of the fifth lens element 150 is V5, and an Abbe number ofthe sixth lens element 160 is V6, the following condition is satisfied:V5/V6=0.36.

In the optical imaging module according to the 1st embodiment, when anaxial distance between the first lens element 110 and the second lenselement 120 is T12, and an axial distance between the second lenselement 120 and the third lens element 130 is T23, the followingcondition is satisfied: T12/T23=1.04.

In the optical imaging module according to the 1st embodiment, when theaxial distance between the second lens element 120 and the third lenselement 130 is T23, and an axial distance between the fifth lens element150 and the sixth lens element 160 is T56, the following condition issatisfied: T56/T23=0.58.

In the optical imaging module according to the 1st embodiment, when theaxial distance between the fifth lens element 150 and the sixth lenselement 160 is T56, and a central thickness of the sixth lens element160 is CT6, the following condition is satisfied: T56/CT6=0.24.

In the optical imaging module according to the 1st embodiment, when thefocal length of the optical imaging module is f, and the centralthickness of the sixth lens element 160 is CT6, the following conditionis satisfied: f/CT6=2.84.

In the optical imaging module according to the 1st embodiment, when acentral thickness of the first lens element 110 is CT1, and the centralthickness of the sixth lens element 160 is CT6, the following conditionis satisfied: CT1/CT6=0.45.

In the optical imaging module according to the 1st embodiment, when theaxial distance between the first lens element 110 and the second lenselement 120 is T12, the axial distance between the second lens element120 and the third lens element 130 is T23, an axial distance between thethird lens element 130 and the fourth lens element 140 is T34, an axialdistance between the fourth lens element 140 and the fifth lens element150 is T45, and the axial distance between the fifth lens element 150and the sixth lens element 160 is T56, the following condition issatisfied: (T12−T56)/(T23+T34+T45)=0.72.

In the optical imaging module according to the 1st embodiment, when acurvature radius of the object-side surface 131 of the third lenselement 130 is R5, and a curvature radius of the image-side surface 132of the third lens element 130 is R6, the following condition issatisfied: (R5+R6)/(R5−R6)=0.72.

In the optical imaging module according to the 1st embodiment, when acurvature radius of the object-side surface 161 of the sixth lenselement 160 is R11, a curvature radius of the image-side surface 162 ofthe sixth lens element 160 is R12, and the central thickness of thesixth lens element 160 is CT6, the following condition is satisfied:(|R11|+|R12|)/CT6=4.74.

In the optical imaging module according to the 1st embodiment, when thefocal length of the optical imaging module is f, a focal length of thefirst lens element 110 is f1, a focal length of the second lens element120 is f2, a focal length of the third lens element 130 is f3, a focallength of the fourth lens element 140 is f4, and a focal length of thefifth lens element 150 is f5, the following conditions are satisfied:|f1/f2|=0.53; |f/f1|+|f/f2|=1.51; (f/f3)−(f/f4)=−0.10; f1/f5=0.59; andf4/f1=−1.02.

FIG. 25 shows a schematic view of the parameter Y11 of the opticalimaging module of the image capturing apparatus according to FIG. 1, andFIG. 26 shows a schematic view of the parameter Y62 of the opticalimaging module of the image capturing apparatus according to FIG. 1. InFIG. 25 and FIG. 26, when a maximum effective radius of the object-sidesurface 111 of the first lens element 110 is Y11, and a maximumeffective radius of the image-side surface 162 of the sixth lens element160 is Y62, the following condition is satisfied: Y11/Y62=0.77.

FIG. 27 shows a schematic view of the parameter Sag11 of the opticalimaging module of the image capturing apparatus according to FIG. 1, andFIG. 28 shows a schematic view of the parameter Sag21 of the opticalimaging module of the image capturing apparatus according to FIG. 1. InFIG. 27 and FIG. 28, when a displacement in parallel with the opticalaxis from an axial vertex on the object-side surface 111 of the firstlens element 110 to a maximum effective radius position on theobject-side surface 111 of the first lens element 110 is Sag11, and adisplacement in parallel with the optical axis from an axial vertex onthe object-side surface 121 of the second lens element 120 to a maximumeffective radius position on the object-side surface 121 of the secondlens element 120 is Sag21, the following condition is satisfied:|Sag11/Sag21|=1.21.

In the optical imaging module according to the 1st embodiment, when anaxial distance between the object-side surface 111 of the first lenselement 110 and the image surface 180 is TL, and the focal length of theoptical imaging module is f, the following condition is satisfied:TL/f=2.75.

In the optical imaging module according to the 1st embodiment, when thehalf of the maximum field of view of the optical imaging module is HFOV,the following condition is satisfied: tan(HFOV)=1.73.

In the optical imaging module according to the 1st embodiment, when anaxial distance between the aperture stop 100 and the image-side surface162 of the sixth lens element 160 is SD, and an axial distance betweenthe object-side surface 111 of the first lens element 110 and theimage-side surface 162 of the sixth lens element 160 is TD, thefollowing condition is satisfied: SD/TD=0.69.

In the optical imaging module according to the 1st embodiment, when theaxial distance between the object-side surface 111 of the first lenselement 110 and the image surface 180 is TL, and a maximum image heightof the optical imaging module is ImgH, the following condition issatisfied: TL/ImgH=1.98.

In the optical imaging module according to the 1st embodiment, when adistortion percentage on the maximum image height of the optical imagingmodule is DST1.0, and the maximum field of view of the optical imagingmodule is FOV, the following conditions are satisfied: |DST1.0|=20.55%;and |DST1.0/FOV|=0.17 (%/degrees).

FIG. 29 shows a schematic view of the parameter Yc62 of the opticalimaging module of the image capturing apparatus according to FIG. 1. InFIG. 29, a vertical distance between a critical point in an off-axialregion on the image-side surface 162 of the sixth lens element 160 andthe optical axis is Yc62, and the focal length of the optical imagingmodule is f, the following condition is satisfied: Yc62/f=0.80.

The detailed optical data of the 1st embodiment are shown in TABLE 1 andthe aspheric surface data are shown in TABLE 2 below.

TABLE 1 1st Embodiment f = 1.61 mm, Fno = 2.39, HFOV = 60.0 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 −6.441 ASP 0.254 Plastic 1.545 56.1 −1.642 1.052 ASP 0.247 3 Lens 2 0.854 ASP 0.349 Plastic 1.545 56.1 3.07 41.493 ASP 0.229 5 Ape. Stop Plano 0.008 6 Lens 3 7.178 ASP 0.484 Plastic1.545 56.1 1.86 7 −1.152 ASP 0.185 8 Lens 4 8.712 ASP 0.690 Plastic1.545 56.1 1.66 9 −0.984 ASP 0.115 10 Lens 5 −0.478 ASP 0.270 Plastic1.660 20.4 −2.80 11 −0.789 ASP 0.137 12 Lens 6 1.556 ASP 0.567 Plastic1.544 56.0 −14.38 13 1.131 ASP 0.400 14 IR-cut filter Plano 0.210 Glass1.517 64.2 — 15 Plano 0.287 16 Image Plano — Reference wavelength is587.6 nm (d-line).

TABLE 2 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= −7.2762E+01−5.6621E−01 −2.5917E+00 −2.7941E+00 −9.0000E+01 −4.4951E−01 A4= 1.5042E−01 −2.8286E−01  8.9951E−03  6.8404E−01 −1.4519E−01 −2.9950E−01A6= −9.5882E−02  6.4607E−01 −5.7625E−01 −4.7337E+00  2.2194E+00−1.1504E+00 A8=  6.4636E−02 −1.6175E+00  2.1089E+00  5.1400E+01−2.1146E+01  5.8215E+00 A10= −2.6770E−02  3.5260E+00 −6.6160E+00−2.3150E+02  9.2850E+01 −1.9101E+01 A12=  5.4752E−03 −4.5091E+00 1.3736E+01  4.7710E+02 −1.4624E+02  2.2004E+01 A14=  2.4679E+00−1.0330E+01 Surface # 8 9 10 11 12 13 k= 3.0000E+00 −3.6194E−01−1.1150E+00 −5.5943E+00 −5.5582E+00 −9.1742E−01 A4= −1.9155E−01  3.4130E−01  1.6283E+00 −1.6164E−01 −2.1533E−01 −3.4056E−01 A6=6.2920E−02 −2.7653E+00 −5.7375E+00  1.6865E+00  1.2706E−01  2.0961E−01A8= −1.1861E+00   1.0527E+01  1.7552E+01 −3.5995E+00 −9.8292E−02−1.2095E−01 A10= 5.6874E+00 −2.0496E+01 −3.4943E+01  3.8842E+00 6.3963E−02  5.0206E−02 A12= −1.4291E+01   1.8455E+01  3.5541E+01−2.2813E+00 −2.2033E−02 −1.3626E−02 A14= 1.1630E+01 −5.9493E+00−1.3895E+01  6.9057E−01  3.7004E−03  2.0945E−03 A16= −8.4397E−02−2.4478E−04 −1.3495E−04

In TABLE 1, the curvature radius, the thickness and the focal length areshown in millimeters (mm). Surface numbers 0-16 represent the surfacessequentially arranged from the object-side to the image-side along theoptical axis. In TABLE 2, k represents the conic coefficient of theequation of the aspheric surface profiles. A4-A16 represent the asphericcoefficients ranging from the 4th order to the 16th order. The tablespresented below for each embodiment are the corresponding schematicparameter and aberration curves, and the definitions of the tables arethe same as TABLE 1 and TABLE 2 of the 1st embodiment. Therefore, anexplanation in this regard will not be provided again.

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 110 (Lens 1), thefourth lens element 140 (Lens 4), the fifth lens element 150 (Lens 5),and the image-side surface 162 of the sixth lens element 160 (Lens 6) inthe 1st embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

1st Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 1 2 Image-side surface 0 1 2 1

2nd Embodiment

FIG. 3 is a schematic view of an image capturing apparatus according tothe 2nd embodiment of the present disclosure. FIG. 4 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the2nd embodiment. In FIG. 3, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 290, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 210, a second lens element 220, an aperture stop 200, athird lens element 230, a fourth lens element 240, a fifth lens element250, a sixth lens element 260, an IR-cut filter 270 and an image surface280. The image sensor 290 is disposed on the image surface 280 of theoptical imaging module. The optical imaging module includes six lenselements (210, 220, 230, 240, 250 and 260) without additional one ormore lens elements inserted between the first lens element 210 and thesixth lens element 260.

The first lens element 210 with negative refractive power has anobject-side surface 211 being convex and an image-side surface 212 beingconcave. The first lens element 210 is made of a plastic material, andhas the object-side surface 211 and the image-side surface 212 beingboth aspheric.

The second lens element 220 with positive refractive power has anobject-side surface 221 being convex and an image-side surface 222 beingconcave. The second lens element 220 is made of a plastic material, andhas the object-side surface 221 and the image-side surface 222 beingboth aspheric.

The third lens element 230 with positive refractive power has anobject-side surface 231 being convex and an image-side surface 232 beingto convex. The third lens element 230 is made of a plastic material, andhas the object-side surface 231 and the image-side surface 232 beingboth aspheric.

The fourth lens element 240 with positive refractive power has anobject-side surface 241 being convex and an image-side surface 242 beingconvex. The fourth lens element 240 is made of a plastic material, andhas the object-side surface 241 and the image-side surface 242 beingboth aspheric.

The fifth lens element 250 with negative refractive power has anobject-side surface 251 being concave and an image-side surface 252being convex. The fifth lens element 250 is made of a plastic material,and has the object-side surface 251 and the image-side surface 252 beingboth aspheric.

The sixth lens element 260 with positive refractive power has anobject-side surface 261 being convex and an image-side surface 262 beingconcave. The sixth lens element 260 is made of a plastic material, andhas the object-side surface 261 and the image-side surface 262 beingboth aspheric.

The IR-cut filter 270 is made of a glass material and located betweenthe sixth lens element 260 and the image surface 280, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 2nd embodiment are shown in TABLE 3 andthe aspheric surface data are shown in TABLE 4 below.

TABLE 3 2nd Embodiment f = 2.18 mm, Fno = 2.27, HFOV = 62.5 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 19.740 ASP 0.283 Plastic 1.545 56.0 −2.702 1.361 ASP 0.390 3 Lens 2 1.178 ASP 0.302 Plastic 1.584 28.2 4.99 41.791 ASP 0.275 5 Ape. Stop Plano 0.031 6 Lens 3 5.990 ASP 0.580 Plastic1.544 55.9 3.17 7 −2.341 ASP 0.207 8 Lens 4 7.530 ASP 0.624 Plastic1.544 55.9 2.85 9 −1.896 ASP 0.160 10 Lens 5 −0.701 ASP 0.337 Plastic1.660 20.4 −3.43 11 −1.211 ASP 0.035 12 Lens 6 1.285 ASP 0.960 Plastic1.544 55.9 6.47 13 1.491 ASP 0.500 14 IR-cut filter Plano 0.210 Glass1.517 64.2 — 15 Plano 0.596 16 Image Plano — Reference wavelength is587.6 nm (d-line).

TABLE 4 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= 5.6277E+01−1.1840E+00 −1.4116E−02 −8.3110E−01 −2.4188E+01 A4= 4.6616E−02−5.4686E−02 −1.9414E−01  1.7454E−01 −3.5833E−03 −2.5539E−01 A6=−1.4478E−02   3.2743E−02  1.2527E−01 −4.7424E−01 −5.2504E−02 −8.8931E−02A8= 3.8977E−03 −1.1677E−01 −1.4764E+00  2.2029E+00 −3.1565E−02 1.5519E−01 A10= −3.6892E−04   1.3513E−01  3.5484E+00 −3.8268E+00 1.1014E−01 −3.9636E−01 A12= −6.2109E−02 −3.3429E+00  5.6175E+00 4.6743E−02 A14=  1.0200E−02  1.1122E+00  1.7192E−01 Surface # 8 9 10 1112 13 k= 1.5482E−01 −9.9492E−01 −8.1927E−01 −1.0684E+00 −8.2017E−01 A4=−2.8539E−01  −4.8074E−01   5.8116E−01  4.2245E−01 −3.1879E−01−1.6686E−01 A6= 4.0793E−01 1.7094E+00  4.3180E−01 −1.5610E−01 1.7605E−01  5.4896E−02 A8= −1.3645E+00  −3.7200E+00  −2.8489E+00−7.1777E−02 −7.5444E−02 −1.5006E−02 A10= 2.3389E+00 4.2732E+00 4.5782E+00  8.2503E−02  2.0110E−02  2.5508E−03 A12= −2.1252E+00 −2.6115E+00  −4.0004E+00 −2.5402E−02 −2.7859E−03 −2.4824E−04 A14=6.8493E−01 6.7817E−01  1.8703E+00  2.6396E−03  1.5282E−04  1.0342E−05A16= 7.0363E−02 −3.5607E−01

In the 2nd embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 2nd embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 3 and TABLE 4 asthe following values and satisfy the following conditions:

2nd Embodiment f (mm) 2.18 |f/f1| + |f/f2| 1.25 Fno 2.27 (f/f3) − (f/f4)−0.08 HFOV (deg.) 62.5 f1/f5 0.79 Nmax 1.660 f4/f1 −1.06 V5/V6 0.36Y11/Y62 0.74 T12/T23 1.27 |Sag11/Sag21| 1.51 T56/T23 0.11 TL/f 2.52T56/CT6 0.04 tan(HFOV) 1.92 f/CT6 2.27 SD/TD 0.70 CT1/CT6 0.29 TL/ImgH1.70 (T12 + T56)/(T23 + T34 + T45) 0.63 |DST1.0| (%) 22.95 (R5 + R6)/(R5− R6) 0.44 |DST1.0/FOV| (%/deg.) 0.18 (|R11| + |R12|)/CT6 2.89 Yc62/f0.73 |f1/f2| 0.54

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 210 (Lens 1), thefourth lens element 240 (Lens 4), the fifth lens element 250 (Lens 5),and the image-side surface 262 of the sixth lens element 260 (Lens 6) inthe 2nd embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

2nd Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 0 1 1 Image-side surface 0 1 4 1

3rd Embodiment

FIG. 5 is a schematic view of an image capturing apparatus according tothe 3rd embodiment of the present disclosure. FIG. 6 shows, in orderfrom left right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the3rd embodiment. In FIG. 5, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 390, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 310, a second lens element 320, an aperture stop 300, athird lens element 330, a fourth lens element 340, a fifth lens element350, a sixth lens element 360, an IR-cut filter 370 and an image surface380. The image sensor 390 is disposed on the image surface 380 of theoptical imaging module. The optical imaging module includes six lenselements (310, 320, 330, 340, 350 and 360) without additional one ormore lens elements inserted between the first lens element 310 and thesixth lens element 360.

The first lens element 310 with negative refractive power has anobject-side surface 311 being concave and an image-side surface 312being concave. The first lens element 310 is made of a plastic material,and has the object-side surface 311 and the image-side surface 312 beingboth aspheric.

The second lens element 320 with positive refractive power has anobject-side surface 321 being convex and an image-side surface 322 beingconcave. The second lens element 320 is made of a plastic material, andhas the object-side surface 321 and the image-side surface 322 beingboth aspheric.

The third lens element 330 with positive refractive power has anobject-side surface 331 being convex and an image-side surface 332 beingconvex. The third lens element 330 is made of a plastic material, andhas the object-side surface 331 and the image-side surface 332 beingboth aspheric.

The fourth lens element 340 with positive refractive power has anobject-side surface 341 being concave and an image-side surface 342being convex. The fourth lens element 340 is made of a plastic material,and has the object-side surface 341 and the image-side surface 342 beingboth aspheric.

The fifth lens element 350 with negative refractive power has anobject-side surface 351 being concave and an image-side surface 352being convex. The fifth lens element 350 is made of a plastic material,and has the object-side surface 351 and the image-side surface 352 beingboth aspheric.

The sixth lens element 360 with positive refractive power has anobject-side surface 361 being convex and an image-side surface 362 beingconcave. The sixth lens element 360 is made of a plastic material, andhas the object-side surface 361 and the image-side surface 362 beingboth aspheric.

The IR-cut filter 370 is made of a glass material and located betweenthe sixth lens element 360 and the image surface 380, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 3rd embodiment are shown in TABLE 5 andthe aspheric surface data are shown in TABLE 6 below.

TABLE 5 3rd Embodiment f = 2.09 mm, Fno = 2.26, HFOV = 62.4 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 −19.467 ASP 0.385 Plastic 1.545 56.1−2.37 2 1.391 ASP 0.343 3 Lens 2 1.201 ASP 0.439 Plastic 1.584 28.2 4.734 1.838 ASP 0.317 5 Ape. Stop Plano 0.026 6 Lens 3 4.875 ASP 0.603Plastic 1.544 56.0 2.42 7 −1.728 ASP 0.201 8 Lens 4 −16.243 ASP 0.669Plastic 1.544 56.0 2.68 9 −1.355 ASP 0.187 10 Lens 5 −0.564 ASP 0.308Plastic 1.660 20.4 −2.79 11 −0.989 ASP 0.090 12 Lens 6 1.399 ASP 1.031Plastic 1.544 56.0 6.27 13 1.756 ASP 0.500 14 IR-cut filter Plano 0.210Glass 1.517 64.2 — 15 Plano 0.500 16 Image Plano — Reference wavelengthis 587.6 nm (d-line).

TABLE 6 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= 1.6644E+01−6.6937E−01 −2.3818E+00 −1.3393E+00 −9.3319E+00 −1.0738E+00 A4=5.8538E−02 −1.2557E−01 −4.1228E−02  1.4691E−01 −3.1486E−02 −2.0160E−01A6= −1.4722E−02   9.0619E−02 −6.4563E−02 −1.3857E−01  1.9287E−01−9.6846E−02 A8= 3.6619E−03 −1.6047E−02  2.5945E−01  2.0076E+00−1.1346E+00  5.0528E−02 A10= −5.8089E−04  −1.3425E−02 −2.0742E−01−4.3882E+00  2.4830E+00  1.1139E−01 A12= 4.4394E−05  4.2669E−03 3.7289E−02  5.5418E+00 −2.1585E+00 −3.2041E−01 Surface # 8 9 10 11 1213 k= −5.0231E+01 −4.4605E−01 −1.0181E+00 −1.0582E+00 −7.3258E−01−1.0051E+00 A4= −2.2278E−01 −1.5696E−01  1.2336E+00  6.3310E−01−2.7993E−01 −1.0580E−01 A6=  2.8997E−01  1.1343E+00 −1.1820E+00−5.0727E−01  1.4646E−01  2.7574E−02 A8= −8.9989E−01 −2.9626E+00−9.0750E−02  1.8318E−01 −6.7544E−02 −5.7768E−03 A10=  1.5697E+00 3.1994E+00  7.0970E−01 −1.2987E−02  1.9228E−02  7.3155E−04 A12=−1.3123E+00 −1.5506E+00 −3.9390E−01 −7.7105E−03 −2.8303E−03 −4.8484E−05A14=  4.0299E−01  2.7818E−01  7.1517E−02  1.3749E−03  1.6408E−04 1.2445E−06

In the 3rd embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 3rd embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 5 and TABLE 6 asthe following values and satisfy the following conditions:

3rd Embodiment f (mm) 2.09 |f/f1| + |f/f2| 1.32 Fno 2.26 (f/f3) − (f/f4)0.08 HFOV (deg.) 62.4 f1/f5 0.85 Nmax 1.660 f4/f1 −1.13 V5/V6 0.36Y11/Y62 0.76 T12/T23 1.00 |Sag11/Sag21| 1.26 T56/T23 0.26 TL/f 2.78T56/CT6 0.09 tan(HFOV) 1.91 f/CT6 2.03 SD/TD 0.68 CT1/CT6 0.37 TL/ImgH1.80 (T12 + T56)/(T23 + T34 + T45) 0.59 |DST1.0| (%) 19.37 (R5 + R6)/(R5− R6) 0.48 |DST1.0/FOV| (%/deg.) 0.16 (|R11| + |R12|/CT6 3.06 Yc62/f0.84 |f1/f2| 0.50

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 310 (Lens 1), thefourth lens element 340 (Lens 4), the fifth lens element 350 (Lens 5),and the image-side surface 362 of the sixth lens element 360 (Lens 6) inthe 3rd embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

3rd Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 0 0 Image-side surface 2 0 4 1

4th Embodiment

FIG. 7 is a schematic view of an image capturing apparatus according tothe 4th embodiment of the present disclosure. FIG. 8 shows, in orderfrom left right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the4th embodiment. In FIG. 7, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 490, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 410, a second lens element 420, an aperture stop 400, athird lens element 430, a fourth lens element 440, a fifth lens element450, a sixth lens element 460, an IR-cut filter 470 and an image surface480. The image sensor 490 is disposed on the image surface 480 of theoptical imaging module. The optical imaging module includes six lenselements (410, 420, 430, 440, 450 and 460) without additional one ormore lens elements inserted between the first lens element 410 and thesixth lens element 460.

The first lens element 410 with negative refractive power has anobject-side surface 411 being concave and an image-side surface 412being concave. The first lens element 410 is made of a plastic material,and has the object-side surface 411 and the image-side surface 412 beingboth aspheric.

The second lens element 420 with positive refractive power has anobject-side surface 421 being convex and an image-side surface 422 beingconcave. The second lens element 420 is made of a plastic material, andhas the object-side surface 421 and the image-side surface 422 beingboth aspheric.

The third lens element 430 with positive refractive power has anobject-side surface 431 being convex and an image-side surface 432 beingconvex. The third lens element 430 is made of a plastic material, andhas the object-side surface 431 and the image-side surface 432 beingboth aspheric. The fourth lens element 440 with positive refractivepower has an object-side surface 441 being concave and an image-sidesurface 442 being convex. The fourth lens element 440 is made of aplastic material, and has the object-side surface 441 and the image-sidesurface 442 being both aspheric.

The fifth lens element 450 with negative refractive power has anobject-side surface 451 being concave and an image-side surface 452being convex. The fifth lens element 450 is made of a plastic material,and has the object-side surface 451 and the image-side surface 452 beingboth aspheric.

The sixth lens element 460 with positive refractive power has anobject-side surface 461 being convex and an image-side surface 462 beingconcave. The sixth lens element 460 is made of a plastic material, andhas the object-side surface 461 and the image-side surface 462 beingboth aspheric.

The IR-cut filter 470 is made of a glass material and located betweenthe sixth lens element 460 and the image surface 480, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 4th embodiment are shown in TABLE 7 andthe aspheric surface data are shown in TABLE 8 below.

TABLE 7 4th Embodiment f = 2.03 mm, Fno = 2.26, HFOV = 62.5 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 −11.033 ASP 0.437 Plastic 1.545 56.1−2.31 2 1.438 ASP 0.294 3 Lens 2 1.234 ASP 0.419 Plastic 1.584 28.2 4.534 2.020 ASP 0.378 5 Ape. Stop Plano 0.005 6 Lens 3 4.874 ASP 0.575Plastic 1.544 56.0 2.35 7 −1.659 ASP 0.224 8 Lens 4 −8.454 ASP 0.642Plastic 1.544 56.0 2.51 9 −1.207 ASP 0.165 10 Lens 5 −0.541 ASP 0.302Plastic 1.660 20.4 −2.68 11 −0.952 ASP 0.172 12 Lens 6 1.403 ASP 1.037Plastic 1.544 56.0 6.29 13 1.759 ASP 0.500 14 IR-cut filter Plano 0.210Glass 1.517 64.2 — 15 Plano 0.440 16 Image Plano — Reference wavelengthis 587.6 nm (d-line).

TABLE 8 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= −8.0586E−01−6.8197E−01 −1.8665E+00 −3.1239E−01 −1.8919E+01 −1.0782E−01 A4= 6.0767E−02 −1.8668E−01 −1.2231E−01  2.1357E−01  9.8535E−03 −1.8513E−01A6= −1.7037E−02  1.7613E−01  9.5596E−02 −7.2555E−01 −1.6774E−01 2.6465E−02 A8=  4.5125E−03 −7.7048E−02  2.5056E−01  5.5988E+00 7.0381E−01 −3.7936E−01 A10= −7.0316E−04  2.9967E−02 −1.7343E−01−1.2312E+01 −2.4630E+00  8.6945E−01 A12=  5.4062E−05 −8.0419E−03−3.6854E−02  1.1478E+01  2.0611E+00 −1.1611E+00 Surface # 8 9 10 11 1213 k= −9.0000E+01 −4.7654E−01 −1.0289E+00 −1.1152E+00 −7.0703E−01−1.3215E+00 A4= −2.5632E−01 −1.3866E−01  1.2966E+00  6.4955E−01−2.7511E−01 −1.0389E−01 A6=  2.1224E−01  1.2454E+00 −1.0609E+00−4.9352E−01  1.4487E−01  3.4848E−02 A8= −2.6678E−01 −3.3237E+00−9.7385E−01  1.0723E−01 −7.0485E−02 −9.8815E−03 A10= −5.7888E−02 3.5526E+00  2.5480E+00  7.6851E−02  2.2780E−02  2.0009E−03 A12= 1.0398E+00 −1.4539E+00 −2.3570E+00 −5.6787E−02 −4.3133E−03 −2.7813E−04A14= −1.7667E+00 −1.2393E−01  1.0896E+00  1.4481E−02  4.3387E−04 2.2936E−05 A16=  9.1694E−01  1.9360E−01 −1.9375E−01 −1.3895E−03−1.8117E−05 −8.0435E−07

In the 4th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 4th embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 7 and TABLE 8 asthe following values and satisfy the following conditions:

4th Embodiment f (mm) 2.03 |f/f1| + |f/f2| 1.33 Fno 2.26 (f/f3) − (f/f4)0.06 HFOV (deg.) 62.5 f1/f5 0.86 Nmax 1.660 f4/f1 −1.09 V5/V6 0.36Y11/Y62 0.76 T12/T23 0.77 |Sag11/Sag21| 1.13 T56/T23 0.45 TL/f 2.85T56/CT6 0.17 tan(HFOV) 1.92 f/CT6 1.96 SD/TD 0.67 CT1/CT6 0.42 TL/ImgH1.79 (T12 + T56)/(T23 + T34 + T45) 0.60 |DST1.0| (%) 17.32 (R5 + R6)/(R5− R6) 0.49 |DST1.0/FOV| (%/deg.) 0.14 (|R11| + |R12|)/CT6 3.05 Yc62/f0.87 |f1/f2| 0.51

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 410 (Lens 1), thefourth lens element 440 (Lens 4), the fifth lens element 450 (Lens 5),and the image-side surface 462 of the sixth lens element 460 (Lens 6) inthe 4th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

4th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 1 1 Image-side surface 1 1 3 2

5th Embodiment

FIG. 9 is a schematic view of an image capturing apparatus according tothe 5th embodiment of the present disclosure. FIG. 10 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the5th embodiment. In FIG. 9, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 590, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 510, a second lens element 520, an aperture stop 500, athird lens element 530, a fourth lens element 540, a fifth lens element550, a sixth lens element 560, an IR-cut filter 570 and an image surface580. The image sensor 590 is disposed on the image surface 580 of theoptical imaging module. The optical imaging module includes six lenselements (510, 520, 530, 540, 550 and 560) without additional one ormore lens elements inserted between the first lens element 510 and thesixth lens element 560.

The first lens element 510 with negative refractive power has anobject-side surface 511 being concave and an image-side surface 512being concave. The first lens element 510 is made of a plastic material,and has the object-side surface 511 and the image-side surface 512 beingboth aspheric.

The second lens element 520 with positive refractive power has anobject-side surface 521 being convex and an image-side surface 522 beingconcave. The second lens element 520 is made of a plastic material, andhas the object-side surface 521 and the image-side surface 522 beingboth aspheric.

The third lens element 530 with positive refractive power has anobject-side surface 531 being convex and an image-side surface 532 beingconvex. The third lens element 530 is made of a plastic material, andhas the object-side surface 531 and the image-side surface 532 beingboth aspheric.

The fourth lens element 540 with positive refractive power has anobject-side surface 541 being convex and an image-side surface 542 beingconvex. The fourth lens element 540 is made of a plastic material, andhas the object-side surface 541 and the image-side surface 542 beingboth aspheric.

The fifth lens element 550 with negative refractive power has anobject-side surface 551 being concave and an image-side surface 552being convex. The fifth lens element 550 is made of a plastic material,and has the object-side surface 551 and the image-side surface 552 beingboth aspheric.

The sixth lens element 560 with positive refractive power has anobject-side surface 561 being convex and an image-side surface 562 beingconcave. The sixth lens element 560 is made of a plastic material, andhas the object-side surface 561 and the image-side surface 562 beingboth aspheric.

The IR-cut filter 570 is made of a glass material and located betweenthe sixth lens element 560 and the image surface 580, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 5th embodiment are shown in TABLE 9 andthe aspheric surface data are shown in TABLE 10 below.

TABLE 9 5th Embodiment f = 2.02 mm, Fno = 2.40, HFOV = 62.4 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 −127.360 ASP 0.270 Plastic 1.536 54.5−1.90 2 1.030 ASP 0.201 3 Lens 2 0.954 ASP 0.316 Plastic 1.577 35.9 3.254 1.708 ASP 0.247 5 Ape. Stop Plano 0.041 6 Lens 3 7.144 ASP 0.518Plastic 1.545 55.9 2.38 7 −1.543 ASP 0.195 8 Lens 4 35.946 ASP 0.600Plastic 1.545 55.9 2.27 9 −1.276 ASP 0.146 10 Lens 5 −0.620 ASP 0.394Plastic 1.660 20.4 −2.46 11 −1.257 ASP 0.035 12 Lens 6 1.266 ASP 0.980Plastic 1.545 55.9 6.08 13 1.490 ASP 0.650 14 IR-cut filter Plano 0.110Glass 1.517 64.2 — 15 Plano 0.339 16 Image Plano — Reference wavelengthis 587.6 nm (d-line).

TABLE 10 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= −9.0000E+01−1.3427E+00 −2.6252E−01 6.3719E−01 −9.0000E+01 1.1261E+00 A4= 8.7767E−02−1.7435E−01 −3.1739E−01 3.4764E−01 −2.8953E−02 −2.7727E−01 A6=−3.5674E−02 1.6392E−01 2.1066E−01 −1.4040E+00 −5.8797E−02 9.7311E−03 A8=1.1128E−02 −5.6799E−01 −2.6464E+00 9.2560E+00 −5.5317E−01 −1.5762E−01A10= −9.8522E−04 9.2350E−01 7.1919E+00 −2.5580E+01 1.0492E+00−4.4047E−02 A12= −5.7941E−01 −7.1721E+00 4.0351E+01 −1.1794E+00 A14=1.2282E−01 2.2561E+00 1.6212E+00 Surface # 8 9 10 11 12 13 k=−9.0000E+01 −1.0353E+00 −1.0160E+00 −9.9817E−01 −1.3401E+00 −1.0216E+00A4= −3.4805E−01 −4.0436E−01 9.3882E−01 4.7926E−01 −3.2229E−01−1.6135E−01 A6= 8.3036E−01 2.5960E+00 5.0664E−01 −2.2514E−01 2.0173E−015.6214E−02 A8= −4.0038E+00 −7.9601E+00 −6.0476E+00 −7.3276E−02−8.9161E−02 −1.4814E−02 A10= 1.2911E+01 1.2299E+01 1.2985E+01 1.1626E−012.3964E−02 2.4267E−03 A12= −2.4123E+01 −1.0173E+01 −1.4942E+01−4.1874E−02 −3.3650E−03 −2.3412E−04 A14= 2.3025E+01 3.5790E+009.0414E+00 5.0027E−03 1.8770E−04 9.9925E−06 A16= −8.4336E+00 −2.1959E+00

In the 5th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 5th embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 9 and TABLE 10as the following values and satisfy the following conditions:

5th Embodiment f (mm) 2.02 |f/f1| + |f/f2| 1.68 Fno 2.40 (f/f3) − (f/f4)−0.04 HFOV (deg.) 62.4 f1/f5 0.77 Nmax 1.660 f4/f1 −1.19 V5/V6 0.36Y11/Y62 0.64 T12/T23 0.70 |Sag11/Sag21| 1.07 T56/T23 0.12 TL/f 2.50T56/CT6 0.04 tan(HFOV) 1.91 f/CT6 2.06 SD/TD 0.74 CT1/CT6 0.28 TL/ImgH1.72 (T12 + T56)/(T23 + T34 + T45) 0.38 |DST1.0| (%) 24.25 (R5 + R6)/(R5− R6) 0.64 |DST1.0/FOV| (%/deg.) 0.19 (|R11| + |R12|)/CT6 2.81 Yc62/f0.80 |f1/f2| 0.59

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 510 (Lens 1), thefourth lens element 540 (Lens 4), the fifth lens element 550 (Lens 5),and the image-side surface 562 of the sixth lens element 560 (Lens 6) inthe 5th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

5th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 2 1 Image-side surface 1 1 4 1

6th Embodiment

FIG. 11 is a schematic view of an image capturing apparatus according tothe 6th embodiment of the present disclosure. FIG. 12 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the6th embodiment. In FIG. 11, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 690, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 610, a second lens element 620, an aperture stop 600, athird lens element 630, a fourth lens element 640, a fifth lens element650, a sixth lens element 660, an IR-cut filter 670 and an image surface680. The image sensor 690 is disposed on the image surface 680 of theoptical imaging module. The optical imaging module includes six lenselements (610, 620, 630, 640, 650 and 660) without additional one ormore lens elements inserted between the first lens element 610 and thesixth lens element 660.

The first lens element 610 with negative refractive power has anobject-side surface 611 being convex and an image-side surface 612 beingconcave. The first lens element 610 is made of a plastic material, andhas the object-side surface 611 and the image-side surface 612 beingboth aspheric.

The second lens element 620 with positive refractive power has anobject-side surface 621 being convex and an image-side surface 622 beingconcave. The second lens element 620 is made of a plastic material, andhas the object-side surface 621 and the image-side surface 622 beingboth aspheric.

The third lens element 630 with positive refractive power has anobject-side surface 631 being convex and an image-side surface 632 beingconvex. The third lens element 630 is made of a plastic material, andhas the object-side surface 631 and the image-side surface 632 beingboth aspheric.

The fourth lens element 640 with positive refractive power has anobject-side surface 641 being concave and an image-side surface 642being convex. The fourth lens element 640 is made of a plastic material,and has the object-side surface 641 and the image-side surface 642 beingboth aspheric.

The fifth lens element 650 with negative refractive power has anobject-side surface 651 being concave and an image-side surface 652being convex. The fifth lens element 650 is made of a plastic material,and has the object-side surface 651 and the image-side surface 652 beingboth aspheric.

The sixth lens element 660 with positive refractive power has anobject-side surface 661 being convex and an image-side surface 662 beingconcave. The sixth lens element 660 is made of a plastic material, andhas the object-side surface 661 and the image-side surface 662 beingboth aspheric.

The IR-cut filter 670 is made of a glass material and located betweenthe sixth lens element 660 and the image surface 680, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 6th embodiment are shown in TABLE 11and the aspheric surface data are shown in TABLE 12 below.

TABLE 11 6th Embodiment f = 1.99 mm, Fno = 2.40, HFOV = 62.4 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 16.931 ASP 0.269 Plastic 1.545 56.1 −2.402 1.206 ASP 0.327 3 Lens 2 1.240 ASP 0.301 Plastic 1.584 28.2 4.86 42.004 ASP 0.219 5 Ape. Stop Plano 0.016 6 Lens 3 7.753 ASP 0.501 Plastic1.544 56.0 2.57 7 −1.670 ASP 0.207 8 Lens 4 −200.000 ASP 0.611 Plastic1.544 56.0 2.33 9 −1.259 ASP 0.138 10 Lens 5 −0.562 ASP 0.300 Plastic1.660 20.4 −3.05 11 −0.945 ASP 0.030 12 Lens 6 1.343 ASP 0.942 Plastic1.544 56.0 8.57 13 1.420 ASP 0.800 14 IR-cut filter Plano 0.110 Glass1.517 64.2 — 15 Plano 0.272 16 Image Plano — Reference wavelength is587.6 nm (d-line).

TABLE 12 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= 9.1022E+01−1.1624E+00 3.8003E−01 −5.9464E−01 −3.1430E+01 −1.5409E+00 A4=4.9756E−02 −7.3370E−02 −2.3960E−01 1.7690E−01 −6.1030E−02 −2.9616E−01A6= −1.8005E−02 1.7509E−02 5.2292E−02 6.8314E−01 3.8204E−01 −2.4223E−01A8= 5.6100E−03 −1.6793E−01 −1.0820E+00 −2.8460E+00 −1.9601E+00−7.9491E−01 A10= −3.4983E−04 2.3641E−01 3.0264E+00 1.0886E+01 2.7367E+004.7683E+00 A12= −8.1374E−02 −2.2460E+00 −1.1810E+01 A14= 8.6847E+00Surface # 8 9 10 11 12 13 k= 1.0000E+01 −6.2324E−01 −1.0448E+00−1.4200E+00 −1.0478E+00 −6.8752E−01 A4= −2.5336E−01 −5.2496E−016.5147E−01 3.9547E−01 −3.9571E−01 −2.1858E−01 A6= 4.5275E−01 1.9703E+001.7684E+00 2.9793E−01 2.8479E−01 9.1868E−02 A8= −2.5205E+00 −1.7983E+00−7.1240E+00 −1.0555E+00 −1.5733E−01 −3.5277E−02 A10= 6.4695E+00−6.8819E+00 9.5730E+00 1.0576E+00 6.0490E−02 9.4240E−03 A12= −8.7497E+001.8822E+01 −6.0964E+00 −5.4008E−01 −1.4335E−02 −1.6965E−03 A14=4.7003E+00 −1.7986E+01 1.4795E+00 1.4277E−01 1.8575E−03 1.7984E−04 A16=6.3397E+00 4.2566E−02 −1.5575E−02 −1.0037E−04 −8.3998E−06

In the 6th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 6th embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 11 and TABLE 12as the following values and satisfy the following conditions:

6th Embodiment f (mm) 1.99 Fno 2.40 HFOV (deg.) 62.4 Nmax 1.660 V5/V60.36 T12/T23 1.39 T56/T23 0.13 T56/CT6 0.03 f/CT6 2.11 CT1/CT6 0.29(T12 + T56)/(T23 + T34 + T45) 0.62 (R5 + R6)/(R5 − R6) 0.65 (|R11| +|R12|)/CT6 2.93 |f1/f2| 0.49 |f/f1| + |f/f2| 1.24 (f/f3) − (f/f4) −0.08f1/f5 0.79 f4/f1 −0.97 Y11/Y62 0.67 |Sag11/Sag21| 1.42 TL/f 2.53tan(HFOV) 1.92 SD/TD 0.71 TL/ImgH 1.72 |DST1.0| (%) 23.39 |DST1.0/FOV|(%/deg.) 0.19 Yc62/f 0.77

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 610 (Lens 1), thefourth lens element 640 (Lens 4), the fifth lens element 650 (Lens 5),and the image-side surface 662 of the sixth lens element 660 (Lens 6) inthe 6th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

6th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 0 1 0 Image-side surface 0 1 2 2

7th Embodiment

FIG. 13 is a schematic view of an image capturing apparatus according tothe 7th embodiment of the present disclosure. FIG. 14 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the7th embodiment. In FIG. 13, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 790, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 710, a second lens element 720, an aperture stop 700, athird lens element 730, a fourth lens element 740, a fifth lens element750, a sixth lens element 760, an IR-cut filter 770 and an image surface780. The image sensor 790 is disposed on the image surface 780 of theoptical imaging module. The optical imaging module includes six lenselements (710, 720, 730, 740, 750 and 760) without additional one ormore lens elements inserted between the first lens element 710 and thesixth lens element 760.

The first lens element 710 with negative refractive power has anobject-side surface 711 being concave and an image-side surface 712being concave. The first lens element 710 is made of a plastic material,and has the object-side surface 711 and the image-side surface 712 beingboth aspheric.

The second lens element 720 with positive refractive power has anobject-side surface 721 being convex and an image-side surface 722 beingconcave. The second lens element 720 is made of a plastic material, andhas the object-side surface 721 and the image-side surface 722 beingboth aspheric.

The third lens element 730 with positive refractive power has anobject-side surface 731 being convex and an image-side surface 732 beingconvex. The third lens element 730 is made of a plastic material, andhas the object-side surface 731 and the image-side surface 732 beingboth aspheric.

The fourth lens element 740 with positive refractive power has anobject-side surface 741 being convex and an image-side surface 742 beingconvex. The fourth lens element 740 is made of a plastic material, andhas the object-side surface 741 and the image-side surface 742 beingboth aspheric.

The fifth lens element 750 with negative refractive power has anobject-side surface 751 being concave and an image-side surface 752being convex. The fifth lens element 750 is made of a plastic material,and has the object-side surface 751 and the image-side surface 752 beingboth aspheric.

The sixth lens element 760 with positive refractive power has anobject-side surface 761 being convex and an image-side surface 762 beingconcave. The sixth lens element 760 is made of a plastic material, andhas the object-side surface 761 and the image-side surface 762 beingboth aspheric.

The IR-cut filter 770 is made of a glass material and located betweenthe sixth lens element 760 and the image surface 780, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 7th embodiment are shown in TABLE 13and the aspheric surface data are shown in TABLE 14 below.

TABLE 13 7th Embodiment f = 1.75 mm, Fno = 2.39, HFOV = 60.0 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 −12.624 ASP 0.240 Plastic 1.545 56.1−1.63 2 0.963 ASP 0.202 3 Lens 2 1.155 ASP 0.290 Plastic 1.545 56.1 3.034 3.506 ASP 0.171 5 Ape. Stop Plano 0.000 6 Lens 3 8.272 ASP 0.454Plastic 1.545 56.1 2.40 7 −1.525 ASP 0.228 8 Lens 4 2.777 ASP 0.596Plastic 1.545 56.1 1.62 9 −1.191 ASP 0.155 10 Lens 5 −0.461 ASP 0.272Plastic 1.660 20.4 −1.72 11 −0.958 ASP 0.118 12 Lens 6 1.095 ASP 0.725Plastic 1.544 56.0 5.69 13 1.299 ASP 0.400 14 IR-cut filter Plano 0.210Glass 1.517 64.2 — 15 Plano 0.327 16 Image Plano — Reference wavelengthis 587.6 nm (d-line).

TABLE 14 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= −9.0000E+01−2.4132E−01 −2.6710E+00 −5.2919E+00 −3.2490E+01 3.8256E−01 A4=1.1343E−01 −1.2988E−01 −4.1376E−02 5.7073E−01 −1.3132E−02 −5.0760E−01A6= −3.5947E−02 −2.6304E−01 −1.2725E−01 −2.0368E+00 9.6455E−01−1.3126E−01 A8= 2.9725E−02 2.5156E+00 1.2733E+00 2.6926E+01 −8.7732E+006.5426E−01 A10= −3.4081E−02 −6.4151E+00 −8.4294E−01 −1.0896E+023.0125E+01 −5.5322E+00 A12= 2.3485E−02 7.8657E+00 −3.5876E+00 2.0943E+02−3.4162E+01 6.3673E+00 A14= −5.3708E−03 −4.2297E+00 1.3408E+00 Surface #8 9 10 11 12 13 k= −3.5439E+01 −6.2317E−02 −1.2903E+00 −7.7021E+00−6.9410E+00 −9.7438E−01 A4= −9.0599E−02 2.6427E−01 1.9392E+00−2.1420E−01 −3.1406E−01 −2.7918E−01 A6= −6.7275E−01 −1.2368E+00−6.3427E+00 2.0037E+00 3.9492E−01 1.6040E−01 A8= 2.8134E+00 6.5258E+001.9236E+01 −4.5501E+00 −5.0763E−01 −8.4316E−02 A10= −8.9099E+00−2.2101E+01 −4.5143E+01 5.3933E+00 4.0116E−01 3.0645E−02 A12= 1.3023E+013.1534E+01 5.5918E+01 −3.5976E+00 −1.6915E−01 −7.1565E−03 A14 =−7.6776E+00 −1.5938E+01 −2.7037E+01 1.2810E+00 3.6008E−02 9.4808E−04A16= −1.9081E−01 −3.0699E−03 −5.2662E−05

In the 7th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 7th embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 13 and TABLE 14as the following values and satisfy the following conditions:

7th Embodiment f (mm) 1.75 Fno 2.39 HFOV (deg.) 60.0 Nmax 1.660 V5/V60.36 T12/T23 1.18 T56/T23 0.69 T56/CT6 0.16 f/CT6 2.42 CT1/CT6 0.33(T12 + T56)/(T23 + T34 + T45) 0.58 (R5 + R6)/(R5 − R6) 0.69 (|R11| +|R12|)/CT6 3.30 |f1/f2| 0.54 |f/f1| + |f/f2| 1.65 (f/f3) − (f/f4) −0.36f1/f5 0.95 f4/f1 −0.99 Y11/Y62 0.66 |Sag11/Sag21| 0.83 TL/f 2.50tan(HFOV) 1.73 SD/TD 0.74 TL/ImgH 1.92 |DST1.0| (%) 25.33 |DST1.0/FOV|(%/deg.) 0.21 Yc62/f 0.72

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 710 (Lens 1), thefourth lens element 740 (Lens 4), the fifth lens element 750 (Lens 5),and the image-side surface 762 of the sixth lens element 760 (Lens 6) inthe 7th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

7th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 1 0 Image-side surface 0 0 1 1

8th Embodiment

FIG. 15 is a schematic view of an image capturing apparatus according tothe 8th embodiment of the present disclosure. FIG. 16 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the8th embodiment. In FIG. 15, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 890, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 810, a stop 801, a second lens element 820, an aperturestop 800, a third lens element 830, a fourth lens element 840, a fifthlens element 850, a sixth lens element 860, an IR-cut filter 870 and animage surface 880. The image sensor 890 is disposed on the image surface880 of the optical imaging module. The optical imaging module includessix lens elements (810, 820, 830, 840, 850 and 860) without additionalone or more lens elements inserted between the first lens element 810and the sixth lens element 860.

The first lens element 810 with negative refractive power has anobject-side surface 811 being concave and an image-side surface 812being concave. The first lens element 810 is made of a plastic material,and has the object-side surface 811 and the image-side surface 812 beingboth aspheric.

The second lens element 820 with positive refractive power has anobject-side surface 821 being convex and an image-side surface 822 beingconcave. The second lens element 820 is made of a plastic material, andhas the object-side surface 821 and the image-side surface 822 beingboth aspheric.

The third lens element 830 with positive refractive power has anobject-side surface 831 being convex and an image-side surface 832 beingconvex. The third lens element 830 is made of a plastic material, andhas the object-side surface 831 and the image-side surface 832 beingboth aspheric.

The fourth lens element 840 with positive refractive power has anobject-side surface 841 being convex and an image-side surface 842 beingconvex. The fourth lens element 840 is made of a plastic material, andhas the object-side surface 841 and the image-side surface 842 beingboth aspheric.

The fifth lens element 850 with negative refractive power has anobject-side surface 851 being concave and an image-side surface 852being convex. The fifth lens element 850 is made of a plastic material,and has the object-side surface 851 and the image-side surface 852 beingboth aspheric.

The sixth lens element 860 with positive refractive power has anobject-side surface 861 being convex and an image-side surface 862 beingconcave. The sixth lens element 860 is made of a plastic material, andhas the object-side surface 861 and the image-side surface 862 beingboth aspheric.

The IR-cut filter 870 is made of a glass material and located betweenthe sixth lens element 860 and the image surface 880, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 8th embodiment are shown in TABLE 15and the aspheric surface data are shown in TABLE 16 below.

TABLE 15 8th Embodiment f = 1.74 mm, Fno = 2.40, HFOV = 60.2 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 −200.000 ASP 0.263 Plastic 1.545 56.1−1.92 2 1.052 ASP 0.468 3 Stop Plano −0.105 4 Lens 2 0.990 ASP 0.327Plastic 1.584 28.2 4.38 5 1.419 ASP 0.248 6 Ape. Stop Plano −0.008 7Lens 3 4.522 ASP 0.470 Plastic 1.545 56.1 2.27 8 −1.640 ASP 0.154 9 Lens4 5.111 ASP 0.592 Plastic 1.545 56.1 1.70 10 −1.084 ASP 0.107 11 Lens 5−0.523 ASP 0.271 Plastic 1.660 20.4 −2.12 12 −1.007 ASP 0.269 13 Lens 61.264 ASP 0.824 Plastic 1.544 56.0 8.64 14 1.331 ASP 0.500 15 IR-cutfilter Plano 0.110 Glass 1.517 64.2 — 16 Plano 0.290 17 Image Plano —Reference wavelength is 587.6 nm (d-line). Effective radius of Surface 3(Stop) is 0.750 mm.

TABLE 16 Aspheric Coefficients Surface # 1 2 4 5 7 8 k= −4.5000E+018.5974E−02 −1.2632E+00 −2.5223E+01 −4.6718E+01 7.0345E−03 A4= 1.2786E−01−7.6534E−02 −1.5712E−01 1.2321E+00 −1.3727E−02 −6.5908E−01 A6=−6.9746E−02 −3.7181E−01 −2.4560E−01 −6.1114E+00 1.7191E−01 6.7266E−01A8= 5.6253E−02 2.1214E+00 5.7991E−01 3.3964E+01 −2.2111E+00 −1.6860E+00A10= −3.0947E−02 −5.3550E+00 8.8239E−01 −1.0067E+02 7.7604E+005.7576E−01 A12= 1.0877E−02 7.2050E+00 −2.3102E+00 1.4953E+02 −7.6453E+005.9802E−01 A14= −1.7500E−03 −3.9000E+00 Surface # 9 10 11 12 13 14 k=−2.5818E+01 −1.0458E+00 −1.2922E+00 −7.9927E+00 −2.7647E+00 −6.7508E−01A4= −5.1080E−01 2.3786E−01 1.5412E+00 −1.1497E−01 −3.4006E−01−2.6766E−01 A6= −7.9304E−03 −1.1160E+00 −4.2827E+00 1.1913E+003.6701E−01 1.4929E−01 A8= 1.7879E+00 4.1145E+00 1.1120E+01 −2.6942E+00−3.1573E−01 −7.8417E−02 A10= −6.1541E+00 −1.3464E+01 −2.5472E+012.8710E+00 1.7068E−01 2.7235E−02 A12= 7.8265E+00 1.8282E+01 3.0068E+01−1.5945E+00 −5.2156E−02 −6.0454E−03 A14= −4.4620E+00 −8.4487E+00−1.3076E+01 4.4821E−01 8.3338E−03 7.7582E−04 A16= −5.1930E−02−5.4489E−04 −4.3836E−05

In the 8th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 8th embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 15 and TABLE 16as the following values and satisfy the following conditions:

8th Embodiment f (mm) 1.74 Fno 2.40 HFOV (deg.) 60.2 Nmax 1.660 V5/V60.36 T12/T23 1.51 T56/T23 1.12 T56/CT6 0.33 f/CT6 2.11 CT1/CT6 0.32(T12 + T56)/(T23 + T34 + T45) 1.26 (R5 + R6)/(R5 − R6) 0.47 (|R11| +|R12|)/CT6 3.15 |f1/f2| 0.44 |f/f1| + |f/f2| 1.30 (f/f3) − (f/f4) −0.26f1/f5 0.90 f4/f1 −0.88 Y11/Y62 0.66 |Sag11/Sag21| 1.50 TL/f 2.75tan(HFOV) 1.75 SD/TD 0.69 TL/ImgH 2.08 |DST1.0| (%) 24.25 |DST1.0/FOV|(%/deg.) 0.20 Yc62/f 0.82

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 810 (Lens 1), thefourth lens element 840 (Lens 4), the fifth lens element 850 (Lens 5),and the image-side surface 862 of the sixth lens element 860 (Lens 6) inthe 8th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

8th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 1 0 Image-side surface 0 0 4 1

9th Embodiment

FIG. 17 is a schematic view of an image capturing apparatus according tothe 9th embodiment of the present disclosure. FIG. 18 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the9th embodiment. In FIG. 17, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 990, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 910, a stop 901, a second lens element 920, an aperturestop 900, a third lens element 930, a fourth lens element 940, a fifthlens element 950, a sixth lens element 960, an IR-cut filter 970 and animage surface 980. The image sensor 990 is disposed on the image surface980 of the optical imaging module. The optical imaging module includessix lens elements (910, 920, 930, 940, 950 and 960) without additionalone or more lens elements inserted between the first lens element 910and the sixth lens element 960.

The first lens element 910 with negative refractive power has anobject-side surface 911 being concave and an image-side surface 912being concave. The first lens element 910 is made of a plastic material,and has the object-side surface 911 and the image-side surface 912 beingboth aspheric.

The second lens element 920 with positive refractive power has anobject-side surface 921 being convex and an image-side surface 922 beingconcave. The second lens element 920 is made of a plastic material, andhas the object-side surface 921 and the image-side surface 922 beingboth aspheric.

The third lens element 930 with positive refractive power has anobject-side surface 931 being convex and an image-side surface 932 beingconvex. The third lens element 930 is made of a plastic material, andhas the object-side surface 931 and the image-side surface 932 beingboth aspheric.

The fourth lens element 940 with positive refractive power has anobject-side surface 941 being convex and an image-side surface 942 beingconvex. The fourth lens element 940 is made of a plastic material, andhas the object-side surface 941 and the image-side surface 942 beingboth aspheric.

The fifth lens element 950 with negative refractive power has anobject-side surface 951 being concave and an image-side surface 952being convex. The fifth lens element 950 is made of a plastic material,and has the object-side surface 951 and the image-side surface 952 beingboth aspheric.

The sixth lens element 960 with positive refractive power has anobject-side surface 961 being convex and an image-side surface 962 beingconcave. The sixth lens element 960 is made of a plastic material, andhas the object-side surface 961 and the image-side surface 962 beingboth aspheric.

The IR-cut filter 970 is made of a glass material and located betweenthe sixth lens element 960 and the image surface 980, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 9th embodiment are shown in TABLE 17and the aspheric surface data are shown in TABLE 18 below.

TABLE 17 9th Embodiment f = 1.75 mm, Fno = 2.39, HFOV = 60.1 deg. AbbeFocal Surface # Curvature Radius Thickness Material Index # Length 0Object Plano Infinity 1 Lens 1 −10.000 ASP 0.240 Plastic 1.545 56.1−1.46 2 0.869 ASP 0.352 3 Stop Plano −0.200 4 Lens 2 0.853 ASP 0.329Plastic 1.545 56.1 2.38 5 2.144 ASP 0.198 6 Ape. Stop Plano 0.005 7 Lens3 11.545 ASP 0.438 Plastic 1.545 56.1 2.07 8 −1.233 ASP 0.262 9 Lens 411.826 ASP 0.696 Plastic 1.545 56.1 1.69 10 −0.979 ASP 0.102 11 Lens 5−0.457 ASP 0.260 Plastic 1.660 20.4 −2.10 12 −0.835 ASP 0.040 13 Lens 61.055 ASP 0.649 Plastic 1.544 56.0 10.01 14 1.026 ASP 0.400 15 IR-cutfilter Plano 0.210 Glass 1.517 64.2 — 16 Plano 0.410 17 Image Plano —Reference wavelength is 587.6 nm (d-line). Effective radius of Surface 3(Stop) is 0.667 mm.

TABLE 18 Aspheric Coefficients Surface # 1 2 4 5 7 8 k= −3.7478E+01−4.2167E−01 −1.7971E+00 −7.5623E−01 −8.5974E+01 −7.9980E−01 A4=1.8218E−01 −2.5322E−01 −5.7320E−02 5.9214E−01 −6.4831E−02 −2.9708E−01A6= −1.1001E−01 1.6432E−01 −3.1174E−01 −1.8592E+00 1.3406E+00−7.7662E−01 A8= 5.2519E−02 2.6390E+00 5.3019E+00 2.6821E+01 −1.1298E+014.8078E+00 A10= −9.2259E−03 −1.1826E+01 −2.2225E+01 −1.1670E+024.6227E+01 −2.1727E+01 A12= −6.8320E−04 2.3382E+01 5.1345E+01 2.5687E+02−5.1638E+01 3.4132E+01 A14= −1.8730E+01 −5.3788E+01 Surface # 9 10 11 1213 14 k= −3.6563E+01 −3.5850E−01 −1.1858E+00 −4.9460E+00 −5.8244E+00−9.6355E−01 A4= −8.3329E−02 −1.5105E−01 1.6467E+00 −9.2507E−02−3.9541E−01 −4.2964E−01 A6= −3.4374E−01 9.2879E−01 −4.3701E+001.2301E+00 4.6946E−01 2.9910E−01 A8= 1.4534E+00 −1.7864E+00 1.0363E+01−2.6507E+00 −5.7846E−01 −1.7614E−01 A10= −3.2782E+00 1.5955E−01−2.0117E+01 2.8608E+00 4.6871E−01 7.1940E−02 A12= 1.5903E+00 1.6368E+002.1519E+01 −1.6218E+00 −2.0508E−01 −1.8771E−02 A14= 1.1673E+00−6.8443E−01 −8.9499E+00 4.3948E−01 4.5193E−02 2.7587E−03 A16=−4.0673E−02 −3.9709E−03 −1.7071E−04

In the 9th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 9th embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 17 and TABLE 18as the following values and satisfy the following conditions:

9th Embodiment f (mm) 1.75 Fno 2.39 HFOV (deg.) 60.1 Nmax 1.660 V5/V60.36 T12/T23 0.75 T56/T23 0.20 T56/CT6 0.06 f/CT6 2.69 CT1/CT6 0.37(T12 + T56)/(T23 + T34 + T45) 0.34 (R5 + R6)/(R5 − R6) 0.81 (|R11| +|R12|)/CT6 3.21 |f1/f2| 0.61 |f/f1| + |f/f2| 1.93 (f/f3) − (f/f4) −0.19f1/f5 0.69 f4/f1 −1.16 Y11/Y62 0.64 |Sag11/Sag21| 0.60 TL/f 2.52tan(HFOV) 1.74 SD/TD 0.73 TL/ImgH 1.92 |DST1.0| (%) 24.89 |DST1.0/FOV|(%/deg.) 0.21 Yc62/f 0.72

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 910 (Lens 1), thefourth lens element 940 (Lens 4), the fifth lens element 950 (Lens 5),and the image-side surface 962 of the sixth lens element 960 (Lens 6) inthe 9th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

9th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 2 0 Image-side surface 1 1 1 1

10th Embodiment

FIG. 19 is a schematic view of an image capturing apparatus according tothe 10th embodiment of the present disclosure. FIG. 20 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the10th embodiment. In FIG. 19, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 1090, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 1010, a second lens element 1020, an aperture stop 1000, athird lens element 1030, a fourth lens element 1040, a fifth lenselement 1050, a sixth lens element 1060, an IR-cut filter 1070 and animage surface 1080. The image sensor 1090 is disposed on the imagesurface 1080 of the optical imaging module. The optical imaging moduleincludes six lens elements (1010, 1020, 1030, 1040, 1050 and 1060)without additional one or To more lens elements inserted between thefirst lens element 1010 and the sixth lens element 1060.

The first lens element 1010 with negative refractive power has anobject-side surface 1011 being concave and an image-side surface 1012being concave. The first lens element 1010 is made of a plasticmaterial, and has the object-side surface 1011 and the image-sidesurface 1012 being both aspheric.

The second lens element 1020 with negative refractive power has anobject-side surface 1021 being convex and an image-side surface 1022being concave. The second lens element 1020 is made of a plasticmaterial, and has the object-side surface 1021 and the image-sidesurface 1022 being both aspheric.

The third lens element 1030 with positive refractive power has anobject-side surface 1031 being convex and an image-side surface 1032being convex. The third lens element 1030 is made of a plastic material,and has the object-side surface 1031 and the image-side surface 1032being both aspheric.

The fourth lens element 1040 with positive refractive power has anobject-side surface 1041 being convex and an image-side surface 1042being convex. The fourth lens element 1040 is made of a plasticmaterial, and has the object-side surface 1041 and the image-sidesurface 1042 being both aspheric.

The fifth lens element 1050 with negative refractive power has anobject-side surface 1051 being concave and an image-side surface 1052being convex. The fifth lens element 1050 is made of a plastic material,and has the object-side surface 1051 and the image-side surface 1052being both aspheric.

The sixth lens element 1060 with positive refractive power has anobject-side surface 1061 being convex and an image-side surface 1062being concave. The sixth lens element 1060 is made of a plasticmaterial, and has the object-side surface 1061 and the image-sidesurface 1062 being both aspheric.

The IR-cut filter 1070 is made of a glass material and located betweenthe sixth lens element 1060 and the image surface 1080, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 10th embodiment are shown in TABLE 19and the aspheric surface data are shown in TABLE 20 below.

TABLE 19 10th Embodiment f = 0.94 mm, Fno = 2.25, HFOV = 73.1 deg. AbbeFocal Surface # Curvature Radius Thickness Material Index # Length 0Object Plano Infinity 1 Lens 1 −12.139 ASP 0.619 Plastic 1.559 40.4−1.55 2 0.950 ASP 0.298 3 Lens 2 1.449 ASP 0.326 Plastic 1.545 56.1−65.47 4 1.282 ASP 0.238 5 Ape. Stop Plano 0.017 6 Lens 3 10.526 ASP0.474 Plastic 1.545 56.1 1.50 7 −0.871 ASP 0.071 8 Lens 4 3.639 ASP0.832 Plastic 1.545 56.1 1.24 9 −0.763 ASP 0.111 10 Lens 5 −0.345 ASP0.227 Plastic 1.671 19.5 −1.06 11 −0.843 ASP 0.185 12 Lens 6 0.636 ASP0.529 Plastic 1.544 56.0 1.60 13 1.669 ASP 0.450 14 IR-cut filter Plano0.210 Glass 1.517 64.2 — 15 Plano 0.059 16 Image Plano — Referencewavelength is 587.6 nm (d-line).

TABLE 20 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= −5.6920E+01−2.8496E−01 −2.0337E+00 7.9209E+00 8.1025E+01 −4.5452E−03 A4= 6.8937E−02−5.6290E−01 −3.7030E−01 5.0745E−01 −1.3215E−01 −8.7810E−01 A6=−2.0597E−02 1.5792E+00 4.1770E+00 2.7334E+00 1.5160E−01 6.3977E+00 A8=3.3124E−03 −2.1857E+00 −1.1970E+01 −1.8551E+01 3.5915E+00 −4.0467E+01A10= 1.7549E−04 2.6673E+00 1.8069E+01 6.7127E+00 7.1040E+00 1.2410E+02A12= −1.2882E−04 −2.6262E+00 −1.6656E+01 1.8411E+02 −9.3060E+01−1.3768E+02 A14= 1.3069E−05 9.6681E−01 7.0898E+00 Surface # 8 9 10 11 1213 k= −1.1751E+01 −4.0435E−01 −1.2174E+00 −7.3215E+00 −2.4736E+00−7.6509E−01 A4= −6.1606E−01 −1.0406E+00 1.9018E+00 −1.2981E−02−2.6944E−01 −1.3305E−01 A6= 3.8951E+00 8.4722E+00 −1.9498E+00 2.0743E+003.9944E−01 1.5033E−01 A8= −1.5589E+01 −3.0645E+01 −6.7029E+00−6.3540E+00 −3.7406E−01 −1.3901E−01 A10= 3.3851E+01 5.7445E+011.5340E+01 9.6606E+00 1.8981E−01 6.6716E−02 A12= −4.2445E+01 −5.5138E+01−8.3924E+00 −8.2455E+00 −5.2869E−02 −1.7740E−02 A14= 2.3242E+012.1906E+01 −2.6443E−03 3.8138E+00 7.7121E−03 2.5046E−03 A16= −7.5050E−01−4.6265E−04 −1.4587E−04

In the 10th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 10th embodiment, so an explanation in thisregard will not be provided again. It is noted that the image-sidesurface 1062 of the sixth lens element 1060 includes two critical pointsin an off-axial region thereof, thereby two values of parameter Yc62/ffrom left to right in the following table respectively refer to thecorresponding values from an optical axis to a maximum effective radiusposition.

Moreover, these parameters can be calculated from TABLE 19 and TABLE 20as the following values and satisfy the following conditions:

10th Embodiment f (mm) 0.94 Fno 2.25 HFOV (deg.) 73.1 Nmax 1.671 V5/V60.35 T12/T23 1.17 T56/T23 0.73 T56/CT6 0.35 f/CT6 1.78 CT1/CT6 1.17(T12 + T56)/(T23 + T34 + T45) 1.11 (R5 + R6)/(R5 − R6) 0.85 (|R11| +|R12|)/CT6 4.36 |f1/f2| 0.02 |f/f1| + |f/f2| 0.62 (f/f3) − (f/f4) −0.13f1/f5 1.46 f4/f1 −0.80 Y11/Y62 1.04 |Sag11/Sag21| 2.04 TL/f 4.95tan(HFOV) 3.28 SD/TD 0.62 TL/ImgH 2.15 |DST1.0| (%) 30.02 |DST1.0/FOV|(%/deg.) 0.21 Yc62/f 1.71 2.05

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 1010 (Lens 1), thefourth lens element 1040 (Lens 4), the fifth lens element 1050 (Lens 5),and the image-side surface 1062 of the sixth lens element 1060 (Lens 6)in the 10th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to the maximumeffective radius position on the corresponding surface.

10th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 1 1 Image-side surface 1 1 1 2

11th Embodiment

FIG. 21 is a schematic view of an image capturing apparatus according tothe 11th embodiment of the present disclosure. FIG. 22 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the11th embodiment. In FIG. 21, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 1190, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 1110, a second lens element 1120, an aperture stop 1100, athird lens element 1130, a fourth lens element 1140, a fifth lenselement 1150, a sixth lens element 1160, an IR-cut filter 1170 and animage surface 1180. The image sensor 1190 is disposed on the imagesurface 1180 of the optical imaging module. The optical imaging moduleincludes six lens elements (1110, 1120, 1130, 1140, 1150 and 1160)without additional one or more lens elements inserted between the firstlens element 1110 and the sixth lens element 1160.

The first lens element 1110 with negative refractive power has anobject-side surface 1111 being concave and an image-side surface 1112being concave. The first lens element 1110 is made of a plasticmaterial, and has the object-side surface 1111 and the image-sidesurface 1112 being both aspheric.

The second lens element 1120 with negative refractive power has anobject-side surface 1121 being convex and an image-side surface 1122being concave. The second lens element 1120 is made of a plasticmaterial, and has the object-side surface 1121 and the image-sidesurface 1122 being both aspheric.

The third lens element 1130 with positive refractive power has anobject-side surface 1131 being convex and an image-side surface 1132being convex. The third lens element 1130 is made of a plastic material,and has the object-side surface 1131 and the image-side surface 1132being both aspheric.

The fourth lens element 1140 with positive refractive power has anobject-side surface 1141 being convex and an image-side surface 1142being convex. The fourth lens element 1140 is made of a plasticmaterial, and has the object-side surface 1141 and the image-sidesurface 1142 being both aspheric.

The fifth lens element 1150 with negative refractive power has anobject-side surface 1151 being concave and an image-side surface 1152being convex. The fifth lens element 1150 is made of a plastic material,and has the object-side surface 1151 and the image-side surface 1152being both aspheric.

The sixth lens element 1160 with positive refractive power has anobject-side surface 1161 being convex and an image-side surface 1162being concave. The sixth lens element 1160 is made of a plasticmaterial, and has the object-side surface 1161 and the image-sidesurface 1162 being both aspheric.

The IR-cut filter 1170 is made of a glass material and located betweenthe sixth lens element 1160 and the image surface 1180, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 11th embodiment are shown in TABLE 21and the aspheric surface data are shown in TABLE 22 below.

TABLE 21 11th Embodiment f = 0.95 mm, Fno = 2.20, HFOV = 68.9 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 −10.906 ASP 0.457 Plastic 1.545 56.1−1.59 2 0.954 ASP 0.249 3 Lens 2 1.447 ASP 0.346 Plastic 1.545 56.1−27.03 4 1.207 ASP 0.216 5 Ape. Stop Plano 0.025 6 Lens 3 6.675 ASP0.474 Plastic 1.545 56.1 1.41 7 −0.848 ASP 0.095 8 Lens 4 4.662 ASP0.809 Plastic 1.545 56.1 1.25 9 −0.749 ASP 0.102 10 Lens 5 −0.343 ASP0.244 Plastic 1.671 19.5 −1.24 11 −0.751 ASP 0.177 12 Lens 6 0.694 ASP0.520 Plastic 1.544 56.0 1.84 13 1.662 ASP 0.400 14 IR-cut filter Plano0.210 Glass 1.517 64.2 — 15 Plano 0.110 16 Image Plano — Referencewavelength is 587.6 nm (d-line).

TABLE 22 Aspheric Coefficients Surface # 1 2 3 4 6 7 k= −5.3431E+01−3.0362E−01 −1.3136E+00 7.7133E+00 8.1025E+01 −9.2160E−02 A4= 1.0930E−01−4.2721E−01 −1.5101E−01 3.8233E−01 −7.8830E−02 −8.4904E−01 A6=−5.4883E−02 1.4849E+00 1.6536E+00 4.7086E+00 −8.7699E−01 5.4337E+00 A8=2.4421E−02 −3.6832E+00 −1.0047E+00 −3.0982E+01 2.6191E+01 −3.1347E+01A10= −6.8039E−03 8.5855E+00 −6.9860E+00 2.0618E+01 −1.6512E+029.1030E+01 A12= 1.0872E−03 −1.0841E+01 1.4281E+01 3.5268E+02 3.7563E+02−9.0639E+01 A14= −7.0365E−05 4.7424E+00 −8.7094E+00 Surface # 8 9 10 1112 13 k= −2.9041E+01 −4.1111E−01 −1.2191E+00 −7.3429E+00 −2.4310E+00−7.6738E−01 A4= −6.7153E−01 −1.2588E+00 2.0013E+00 2.3089E−02−2.3709E−01 −1.5013E−01 A6= 3.7145E+00 9.9355E+00 −3.1707E+00 1.5153E+003.4731E−01 2.1097E−01 A8= −1.2988E+01 −3.5583E+01 −4.5862E−01−4.5265E+00 −3.3442E−01 −2.1551E−01 A10= 2.5230E+01 6.7426E+011.4780E−01 6.5739E+00 1.7427E−01 1.1242E−01 A12= −3.0349E+01 −6.6232E+018.9315E+00 −5.2636E+00 −5.0291E−02 −3.1876E−02 A14= 1.6561E+012.7051E+01 −7.5406E+00 2.2763E+00 7.7009E−03 4.6911E−03 A16= −4.2614E−01−4.9090E−04 −2.7989E−04

In the 11th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 11th embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 21 and TABLE 22as the following values and satisfy the following conditions:

11th Embodiment f (mm) 0.95 Fno 2.20 HFOV (deg.) 68.9 Nmax 1.671 V5/V60.35 T12/T23 1.03 T56/T23 0.73 T56/CT6 0.34 f/CT6 1.82 CT1/CT6 0.88(T12 + T56)/(T23 + T34 + T45) 0.97 (R5 + R6)/(R5 − R6) 0.77 (|R11| +|R12|)/CT6 4.53 |f1/f2| 0.06 |f/f1| + |f/f2| 0.63 (f/f3) − (f/f4) −0.09f1/f5 1.28 f4/f1 −0.79 Y11/Y62 0.89 |Sag11/Sag21| 1.57 TL/f 4.69tan(HFOV) 2.59 SD/TD 0.66 TL/ImgH 2.05 |DST1.0| (%) 11.88 |DST1.0/FOV|(%/deg.) 0.09 Yc62/f 1.69

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 1110 (Lens 1), thefourth lens element 1140 (Lens 4), the fifth lens element 1150 (Lens 5),and the image-side surface 1162 of the sixth lens element 1160 (Lens 6)in the 11th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

11th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 1 1 Image-side surface 1 1 1 2

12th Embodiment

FIG. 23 is a schematic view of an image capturing apparatus according tothe 12th embodiment of the present disclosure. FIG. 24 shows, in orderfrom left to right, spherical aberration curves, astigmatic field curvesand a distortion curve of the image capturing apparatus according to the12th embodiment. In FIG. 23, the image capturing apparatus includes theoptical imaging module (its reference numeral is omitted), a drivingunit (not shown herein) and an image sensor 1290, wherein the drivingunit is for driving the optical imaging module. The optical imagingmodule includes, in order from an object side to an image side, a firstlens element 1210, a stop 1201, a second lens element 1220, an aperturestop 1200, a third lens element 1230, a fourth lens element 1240, afifth lens element 1250, a sixth lens element 1260, an IR-cut filter1270 and an image surface 1280. The image sensor 1290 is disposed on theimage surface 1280 of the optical imaging module. The optical imagingmodule includes six lens elements (1210, 1220, 1230, 1240, 1250 and1260) without additional one or more lens elements inserted between thefirst lens element 1210 and the sixth lens element 1260.

The first lens element 1210 with negative refractive power has anobject-side surface 1211 being concave and an image-side surface 1212being concave. The first lens element 1210 is made of a plasticmaterial, and has the object-side surface 1211 and the image-sidesurface 1212 being both aspheric.

The second lens element 1220 with positive refractive power has anobject-side surface 1221 being convex and an image-side surface 1222being concave. The second lens element 1220 is made of a plasticmaterial, and has the object-side surface 1221 and the image-sidesurface 1222 being both aspheric.

The third lens element 1230 with positive refractive power has anobject-side surface 1231 being concave and an image-side surface 1232being convex. The third lens element 1230 is made of a plastic material,and has the object-side surface 1231 and the image-side surface 1232being both aspheric.

The fourth lens element 1240 with positive refractive power has anobject-side surface 1241 being convex and an image-side surface 1242being convex. The fourth lens element 1240 is made of a plasticmaterial, and has the object-side surface 1241 and the image-sidesurface 1242 being both aspheric.

The fifth lens element 1250 with negative refractive power has anobject-side surface 1251 being concave and an image-side surface 1252being convex. The fifth lens element 1250 is made of a plastic material,and has the object-side surface 1251 and the image-side surface 1252being both aspheric. The sixth lens element 1260 with positiverefractive power has an object-side surface 1261 being convex and animage-side surface 1262 being concave. The sixth lens element 1260 ismade of a plastic material, and has the object-side surface 1261 and theimage-side surface 1262 being both aspheric.

The IR-cut filter 1270 is made of a glass material and located betweenthe sixth lens element 1260 and the image surface 1280, and will notaffect the focal length of the optical imaging module.

The detailed optical data of the 12th embodiment are shown in TABLE 23and the aspheric surface data are shown in TABLE 24 below.

TABLE 23 12th Embodiment f = 1.38 mm, Fno = 2.39, HFOV = 57.0 deg. FocalSurface # Curvature Radius Thickness Material Index Abbe # Length 0Object Plano Infinity 1 Lens 1 −7.074 ASP 0.242 Plastic 1.545 56.1 −1.562 0.980 ASP 0.387 3 Stop Plano −0.200 4 Lens 2 0.986 ASP 0.415 Plastic1.545 56.1 3.33 5 1.837 ASP 0.207 6 Ape. Stop Plano 0.020 7 Lens 3−58.243 ASP 0.416 Plastic 1.545 56.1 2.04 8 −1.095 ASP 0.310 9 Lens 42.774 ASP 0.890 Plastic 1.545 56.1 1.43 10 −0.960 ASP 0.146 11 Lens 5−0.392 ASP 0.307 Plastic 1.671 19.5 −1.50 12 −0.845 ASP 0.045 13 Lens 60.751 ASP 0.573 Plastic 1.544 56.0 3.06 14 1.000 ASP 0.400 15 IR-cutfilter Plano 0.210 Glass 1.517 64.2 — 16 Plano 0.070 17 Image Plano —Reference wavelength is 587.6 nm (d-line). Effective radius of Surface 3(Stop) is 0.676 mm.

TABLE 24 Aspheric Coefficients Surface # 1 2 4 5 7 8 k= −5.3407E+01−3.3661E−01 −2.5109E+00 4.7769E−01 9.0000E+01 −1.8586E−01 A4= 1.7190E−01−2.4223E−01 8.9935E−03 7.0212E−01 −2.1196E−02 −3.4430E−01 A6=−8.9135E−02 −2.5285E−01 −5.2655E−01 −6.1251E−01 9.0829E−01 −4.9504E−01A8= 2.9759E−02 5.6222E+00 8.1653E+00 3.0453E+01 −7.5641E+00 3.1282E+00A10= 7.7062E−03 −2.0785E+01 −3.3556E+01 −1.6357E+02 4.6950E+01−1.7878E+01 A12= −5.2819E−03 3.6419E+01 7.3483E+01 5.0306E+02−9.1351E+01 3.0915E+01 A14= 8.8746E−05 −2.4593E+01 −6.7765E+01 Surface #9 10 11 12 13 14 k= −8.1204E−01 −4.5938E−01 −1.2847E+00 −5.2066E+00−2.8364E+00 −1.3471E+00 A4= −2.0571E−01 −5.2909E−01 1.5934E+006.2672E−02 −3.2145E−01 −3.2550E−01 A6= 5.4543E−01 3.2837E+00 −3.5587E+005.0163E−01 2.5558E−01 2.3054E−01 A8= −2.0218E+00 −7.6957E+00 6.6211E+00−8.1444E−01 −1.6229E−01 −1.2702E−01 A10= 4.6414E+00 9.4631E+00−1.0622E+01 4.2664E−01 4.0832E−02 4.8187E−02 A12= −6.6730E+00−6.5629E+00 9.7173E+00 6.9747E−02 5.6959E−03 −1.2087E−02 A14= 3.7273E+002.1438E+00 −3.4072E+00 −1.3301E−01 −3.9165E−03 1.7249E−03 A16=3.1694E−02 4.2285E−04 −1.0243E−04

In the 12th embodiment, the equation of the aspheric surface profiles ofthe aforementioned lens elements is the same as the equation of the 1stembodiment. Also, the definitions of these parameters shown in thefollowing table are the same as those stated in the 1st embodiment withcorresponding values for the 12th embodiment, so an explanation in thisregard will not be provided again.

Moreover, these parameters can be calculated from TABLE 23 and TABLE 24as the following values and satisfy the following conditions:

12th Embodiment f (mm) 1.38 Fno 2.39 HFOV (deg.) 57.0 Nmax 1.671 V5/V60.35 T12/T23 0.82 T56/T23 0.20 T56/CT6 0.08 f/CT6 2.41 CT1/CT6 0.42(T12 + T56)/(T23 + T34 + T45) 0.34 (R5 + R6)/(R5 − R6) 1.04 (|R11| +|R12|)/CT6 3.06 |f1/f2| 0.47 |f/f1| + |f/f2| 1.30 (f/f3) − (f/f4) −0.29f1/f5 1.04 f4/f1 −0.91 Y11/Y62 0.61 |Sag11/Sag21| 0.60 TL/f 3.22tan(HFOV) 1.54 SD/TD 0.72 TL/ImgH 2.06 |DST1.0| (%) 1.32 |DST1.0/FOV|(%/deg.) 0.01 Yc62/f 1.00

In addition, numbers of inflection points of the object-side surfacesand the image-side surfaces of the first lens element 1210 (Lens 1), thefourth lens element 1240 (Lens 4), the fifth lens element 1250 (Lens 5),and the image-side surface 1262 of the sixth lens element 1260 (Lens 6)in the 12th embodiment are listed below, wherein each the number iscalculated for the inflection points from an axial vertex to a maximumeffective radius position on the corresponding surface.

12th Embodiment-Number of Inflection Points Lens 1 Lens 4 Lens 5 Lens 6Object-side surface 1 1 1 Image-side surface 1 1 1 1

13th Embodiment

FIG. 30 is a schematic view of an image capturing apparatus according tothe 13th embodiment of the present disclosure. In FIG. 30, the imagecapturing apparatus includes the optical imaging module (its referencenumeral is omitted), a driving unit 1302 and an image sensor 1390,wherein the driving unit 1302 is for driving the optical imaging module.The optical imaging module includes, in order from an object side to animage side, a first lens element 1310, a second lens element 1320, athird lens element 1330, a fourth lens element 1340, a fifth lenselement 1350, a sixth lens element 1360, a glass panel 1370 and an imagesurface 1380. The image sensor 1390 is disposed on the image surface1380 of the optical imaging module. The optical imaging module includessix lens elements (1310, 1320, 1330, 1340, 1350 and 1360), wherein thefirst lens element 1310, the second lens element 1320, the third lenselement 1330, the fourth lens element 1340, the fifth lens element 1350and the sixth lens element 1360 are disposed in a lens barrel 1301. Inaddition, the glass panel 1370 can serve as a cover glass, filter orboth, and will not affect the focal length of the optical imagingmodule.

In the 13th embodiment, the image capturing apparatus further includeslight blocking elements 1305 and 1306 both acting as stops. The lightblocking element 1305 is featured with adjustable luminous flux anddisposed between the second lens element 1320 and the third lens element1330. The light blocking element 1306 is featured with fixed luminousflux and disposed between the third lens element 1330 and the fourthlens element 1340.

Furthermore, a portion outside of an effective radius of an image-sidesurface (its reference numeral is omitted) of the third lens element1330 includes a connecting structure 1303. A portion outside of aneffective radius of an object-side surface (its reference numeral isomitted) of the fourth lens element 1340 includes a connecting structure1304. The connecting structures 1303 and 1304 are joined together forthe alignment of the third lens element 1330 and the fourth lens element1340 with each other.

In addition, a portion outside of an effective radius of an image-sidesurface (its reference numeral is omitted) of the fifth lens element1350 includes a microstructure 1307, which can be processed by atreatment, such as sandblasting, laser processing, electrical discharge,coating, a surface microstructure design and so on.

14th Embodiment

FIG. 31 is a three dimensional schematic view of an image capturingapparatus 10 according to the 14th embodiment of the present disclosure.In FIG. 31, the image capturing apparatus 10 of the 14th embodiment is acamera module, the image capturing apparatus 10 includes an imaging lensassembly 11, a driving unit 12 and an image sensor 13, wherein theimaging lens assembly 11 includes the optical imaging module of the 1stembodiment and a lens barrel (not shown in drawings) for carrying theoptical imaging module. The image capturing apparatus 10 can focus on animaged object via the imaging lens assembly 11, perform image focusingby the driving unit 12, and generate an image on the image sensor 13,and the imaging data can be produced.

The image capturing apparatus 10 can include the image sensor 13 locatedon the image surface of the optical imaging module, such as CMOS andCCD, which has superior photosensitivity and low noise, thus it isfavorable for providing realistic images with high definition imagequality thereof.

Moreover, the image capturing apparatus 10 can further include an imagestabilization module 14, which can be a kinetic energy sensor, such asan accelerometer, a gyroscope, or a Hall effect sensor. In the 14thembodiment, the image stabilization module 14 is a gyroscope, but notlimited thereto. The variation of different axial directions of theoptical imaging module can be adjusted so as to compensate the imageblur generated by motion at the moment of exposure, and it is furtherfavorable for enhancing the image quality while photographing in motionand low light situation. Furthermore, advanced image compensationfunctions, such as optical image stabilizations (OIS) and electronicimage stabilizations (EIS) etc., can be provided.

15th Embodiment

FIG. 32A is a schematic view of one side of an electronic device 20according to the 15th embodiment of the present disclosure, FIG. 32B isa schematic view of another side of the electronic device 20 of FIG.32A, and FIG. 32C is a system schematic view of the electronic device 20of FIG. 32A. In FIG. 32A, FIG. 32B and FIG. 32C, the electronic device20 according to the 15th embodiment is a smartphone, the electronicdevice 20 includes an image capturing apparatus 10, a flash module 21, afocusing assisting module 22, an image signal processor 23, a userinterface 24 and an image software processor 25. When the user capturesimages via the user interface 24, the electronic device 20 focuses andgenerates an image via the image capturing apparatus 10 whilecompensating for low illumination via the flash module 21. Then, theelectronic device 20 quickly focuses on an imaged object 26 according toits object distance information provided by the focusing assistingmodule 22, and optimizes the image via the image signal processor 23 andthe image software processor 25. Thus, the image quality can be furtherenhanced. The focusing assisting module 22 can adopt infrared or laserfor obtaining quick focusing, and the user interface 24 can utilize atouch screen or a physical button for capturing and processing the imagewith various functions of the image processing software.

The image capturing apparatus 10 of the 15th embodiment is the same asthe aforementioned image capturing apparatus 10 of the 14th embodiment,and will not be stated herein again. Furthermore, the electronic device20 can further include an imaging lens apparatus (not shown indrawings), wherein a maximum field of view of the imaging lens apparatusis smaller than the maximum field of view of the optical imaging moduleof the image capturing apparatus 10, and the applications of the imaginglens apparatus are similar to the applications of the image capturingapparatus 10. Thus, the electronic device 20 includes two lensapparatuses (one lens apparatus being the image capturing apparatus 10and the other lens apparatus being the imaging lens apparatus are atotal of two lens apparatuses).

16th Embodiment

FIG. 33 is a schematic view of an electronic device 80 according to the16th embodiment of the present disclosure. The electronic device 80according to the 16th embodiment is a smartphone, wherein the electronicdevice 80 includes an image capturing apparatus 81 according to thepresent disclosure and an imaging lens apparatus 85, and a maximum fieldof view of the imaging lens apparatus 85 is smaller than a maximum fieldof view of the optical imaging module (not shown in drawings) of theimage capturing apparatus 81. The electronic device 80 includes two lensapparatuses (one lens apparatus being the image capturing apparatus 81and the other lens apparatus being the imaging lens apparatus 85 are atotal of two lens apparatuses).

In the 16th embodiment, an optical axis of the image capturing apparatus81 and an optical axis of the imaging lens apparatus 85 aresubstantially perpendicular to each other, wherein the imaging lensapparatus 85 includes a reflective element (not shown in drawings).Furthermore, the electronic device 80 further includes protectionhousings 87 and 88, wherein the protection housings 87 and 88 arerespectively disposed on an object side of the image capturing apparatus81 and on an object side of the imaging lens apparatus 85, and theprotection housings 87 and 88 are both located on the same side with ascreen (its reference numeral is omitted) of the electronic device 80.

17th Embodiment

FIG. 34 is a schematic view of an electronic device 90 according to the17th embodiment of the present disclosure. The electronic device 90according to the 17th embodiment is a smartphone, wherein the electronicdevice 90 includes an image capturing apparatus 91 according to thepresent disclosure and imaging lens apparatuses 95, 96, and both amaximum field of view of the imaging lens apparatus 95 and a maximumfield of view of the imaging lens apparatus 96 are smaller than amaximum field of view of the optical imaging module (not shown indrawings) of the image capturing apparatus 91. The electronic device 90includes three lens apparatuses (one lens apparatus indicates the imagecapturing apparatus 91, the other two lens apparatuses indicate theimaging lens apparatuses 95, 96, and a total of three lens apparatuses).

18th Embodiment

FIG. 35 is a schematic view of an electronic device 30 according to the18th embodiment of the present disclosure. The electronic device 30according to the 18th embodiment is a tablet personal computer, whereinthe electronic device 30 includes an image capturing apparatus 31according to the present disclosure and an imaging lens apparatus 35,and a maximum field of view of the imaging lens apparatus 35 is smallerthan a maximum field of view of the optical imaging module (not shown indrawings) of the image capturing apparatus 31.

19th Embodiment

FIG. 36 is a schematic view of an electronic device 40 according to the19th embodiment of the present disclosure. The electronic device 40according to the 19th embodiment is a wearable device, wherein theelectronic device 40 includes an image capturing apparatus 41 accordingto the present disclosure.

20th Embodiment

FIG. 37 is a schematic view of an electronic device 50 according to the20th embodiment of the present disclosure. The electronic device 50according to the 20th embodiment is a rear view camera system, whereinthe electronic device 50 includes an image capturing apparatus 51according to the present disclosure and an imaging lens apparatus 55,and a maximum field of view of the imaging lens apparatus 55 is smallerthan a maximum field of view of the optical imaging module (not shown indrawings) of the image capturing apparatus 51.

21th Embodiment

FIG. 38 is a schematic view of an electronic device 60 according to the21th embodiment of the present disclosure. The electronic device 60according to the 21th embodiment is a driving recorder, wherein theelectronic device 60 includes an image capturing apparatus 61 accordingto the present disclosure and an imaging lens apparatus 65, and amaximum field of view of the imaging lens apparatus 65 is smaller than amaximum field of view of the optical imaging module (not shown indrawings) of the image capturing apparatus 61.

22th Embodiment

FIG. 39 is a schematic view of an electronic device 70 according to the22th embodiment of the present disclosure. The electronic device 70according to the 22th embodiment is a surveillance camera, wherein theelectronic device 70 includes an image capturing apparatus 71 accordingto the present disclosure and an imaging lens apparatus 75, and amaximum field of view of the imaging lens apparatus 75 is smaller than amaximum field of view of the optical imaging module (not shown indrawings) of the image capturing apparatus 71.

The foregoing description, for purpose of explanation, has beendescribed with reference to specific embodiments. It is to be noted thatTables 1-24 show different data of the different embodiments; however,the data of the different embodiments are obtained from experiments. Theembodiments were chosen and described in order to best explain theprinciples of the disclosure and its practical applications, to therebyenable others skilled in the art to best utilize the disclosure andvarious embodiments with various modifications as are suited to theparticular use contemplated. The embodiments depicted above and theappended drawings are exemplary and are not intended to be exhaustive orto limit the scope of the present disclosure to the precise formsdisclosed. Many modifications and variations are possible in view of theabove teachings.

What is claimed is:
 1. An optical imaging module comprising six lenselements, the six lens elements being, in order from an object side toan image side: a first lens element, a second lens element, a third lenselement, a fourth lens element, a fifth lens element and a sixth lenselement; wherein each of the six lens elements has an object-sidesurface facing towards the object side and an image-side surface facingtowards the image side; wherein the first lens element has negativerefractive power, the image-side surface of the first lens element isconcave in a paraxial region thereof, the second lens element haspositive refractive power, the object-side surface of the second lenselement is convex in a paraxial region thereof, the object-side surfaceof the sixth lens element is convex in a paraxial region thereof, andthe image-side surface of the sixth lens element is concave in aparaxial region thereof and comprises at least one inflection point;wherein a maximum value among refractive indices of the six lenselements is Nmax, an axial distance between the second lens element andthe third lens element is T23, an axial distance between the fifth lenselement and the sixth lens element is T56, and the following conditionsare satisfied:1.66≤Nmax<1.72; and0.11≤T56/T23≤1.12.
 2. The optical imaging module of claim 1, wherein theimage-side surface of the second lens element is concave in a paraxialregion thereof.
 3. The optical imaging module of claim 1, wherein theimage-side surface of the fourth lens element is convex in a paraxialregion thereof, a focal length of the first lens element is f1, a focallength of the fourth lens element is f4, and the following condition issatisfied:f4/f1<−0.20.
 4. The optical imaging module of claim 1, furthercomprising: an aperture stop disposed between the second lens elementand the third lens element; wherein a vertical distance between acritical point in an off-axis region on the image-side surface of thesixth lens element and an optical axis is Yc62, a focal length of theoptical imaging module is f, and the following condition is satisfied:0.50<Yc62/f<1.0.
 5. The optical imaging module of claim 1, wherein theaxial distance between the second lens element and the third lenselement is T23, the axial distance between the fifth lens element andthe sixth lens element is T56, and the following condition is satisfied:0.11≤T56/T23<0.80.
 6. The optical imaging module of claim 1, wherein ahalf of a maximum field of view of the optical imaging module is HFOV,an f-number of the optical imaging module is Fno, an axial distancebetween the object-side surface of the first lens element and an imagesurface is TL, a maximum image height of the optical imaging module isImgH, and the following conditions are satisfied:1.20<tan(HFOV)<6.0;1.40<Fno<2.80; and1.50<TL/ImgH<2.50.
 7. An optical imaging module comprising six lenselements, the six lens elements being, in order from an object side toan image side: a first lens element, a second lens element, a third lenselement, a fourth lens element, a fifth lens element and a sixth lenselement; wherein each of the six lens elements has an object-sidesurface facing towards the object side and an image-side surface facingtowards the image side; wherein the first lens element has negativerefractive power, the second lens element has positive refractive power,the object-side surface of the second lens element is convex in aparaxial region thereof, the object-side surface of the sixth lenselement is convex in a paraxial region thereof, and the image-sidesurface of the sixth lens element is concave in a paraxial regionthereof and comprises at least one inflection point; wherein an axialdistance between the second lens element and the third lens element islarger than an axial distance between the fifth lens element and thesixth lens element, a maximum value among refractive indices of the sixlens elements is Nmax, an f-number of the optical imaging module is Fno,and the following conditions are satisfied:1.66≤Nmax<1.72; and1.40<Fno≤2.39.
 8. The optical imaging module of claim 7, wherein thefourth lens element has positive refractive power, and the fifth lenselement has negative refractive power.
 9. The optical imaging module ofclaim 7, wherein the object-side surface of the first lens element isconcave in a paraxial region thereof.
 10. The optical imaging module ofclaim 7, wherein the image-side surface of the first lens element isconcave in a paraxial region thereof, an axial distance between theobject-side surface of the first lens element and an image surface isTL, a focal length of the optical imaging module is f, and the followingcondition is satisfied:2.0<TL/f<3.0.
 11. The optical imaging module of claim 7, wherein theobject-side surface of the fourth lens element is convex in a paraxialregion thereof, an axial distance between the first lens element and thesecond lens element is T12, the axial distance between the second lenselement and the third lens element is T23, an axial distance between thethird lens element and the fourth lens element is T34, an axial distancebetween the fourth lens element and the fifth lens element is T45, theaxial distance between the fifth lens element and the sixth lens elementis T56, and the following condition is satisfied:(T12+T56)/(T23+T34+T45)<3.0.
 12. The optical imaging module of claim 7,wherein at least one of the object-side surface and the image-sidesurface of the first lens element comprises at least one inflectionpoint, an axial distance between the object-side surface of the firstlens element and an image surface is TL, a maximum image height of theoptical imaging module is ImgH, and the following condition issatisfied:TL/ImgH<3.50.
 13. The optical imaging module of claim 7, wherein thef-number of the optical imaging module is Fno, and the followingcondition is satisfied:1.40<Fno≤2.27.
 14. The optical imaging module of claim 7, wherein adistortion percentage on a maximum image height of the optical imagingmodule is DST1.0, a maximum field of view of the optical imaging moduleis FOV, and the following condition is satisfied:|DST1.0/FOV|<0.25(%/degrees).
 15. An image capturing apparatus,comprising: the optical imaging module of claim 7; a driving unit fordriving the optical imaging module; and an image sensor, wherein theimage sensor is disposed on an image surface of the optical imagingmodule.
 16. An electronic device, comprising: the image capturingapparatus of claim 15; and an imaging lens apparatus, wherein a maximumfield of view of the imaging lens apparatus is smaller than a maximumfield of view of the optical imaging module.
 17. An optical imagingmodule comprising six lens elements, the six lens elements being, inorder from an object side to an image side: a first lens element, asecond lens element, a third lens element, a fourth lens element, afifth lens element and a sixth lens element; wherein each of the sixlens elements has an object-side surface facing towards the object sideand an image-side surface facing towards the image side; wherein thefirst lens element has negative refractive power, the second lenselement has positive refractive power, the object-side surface of thesecond lens element is convex in a paraxial region thereof, theobject-side surface of the fourth lens element is convex in a paraxialregion thereof, the object-side surface of the sixth lens element isconvex in a paraxial region thereof, and the image-side surface of thesixth lens element is concave in a paraxial region thereof and comprisesat least one inflection point; wherein an axial distance between thesecond lens element and the third lens element is larger than an axialdistance between the fifth lens element and the sixth lens element, amaximum value among refractive indices of the six lens elements is Nmax,a maximum effective radius of the object-side surface of the first lenselement is Y11, a maximum effective radius of the image-side surface ofthe sixth lens element is Y62, and the following conditions aresatisfied:1.66≤Nmax<1.72; and0.50<Y11/Y62<1.50.
 18. The optical imaging module of claim 17, whereinthe third lens element has positive refractive power, and the image-sidesurface of the third lens element is convex in a paraxial regionthereof.
 19. The optical imaging module of claim 17, wherein a focallength of the optical imaging module is f, a focal length of the firstlens element is f1, a focal length of the second lens element is f2, andthe following condition is satisfied:0.80<|f/f1|+|f/f2|<3.80.
 20. The optical imaging module of claim 17,wherein the axial distance between the fifth lens element and the sixthlens element is T56, a central thickness of the sixth lens element isCT6, and the following condition is satisfied:T56/CT6<0.50.
 21. The optical imaging module of claim 17, wherein anaxial distance between the object-side surface of the first lens elementand an image surface is TL, a maximum image height of the opticalimaging module is ImgH, a distortion percentage on a maximum imageheight of the optical imaging module is DST1.0, and the followingconditions are satisfied:1.50<TL/ImgH<2.50; and|DST1.0|<30%.
 22. The optical imaging module of claim 17, wherein acurvature radius of the object-side surface of the sixth lens element isR11, a curvature radius of the image-side surface of the sixth lenselement is R12, a central thickness of the sixth lens element is CT6,and the following condition is satisfied:1.50<(|R11|+|R12|)/CT6<5.50.
 23. An optical imaging module comprisingsix lens elements, the six lens elements being, in order from an objectside to an image side: a first lens element, a second lens element, athird lens element, a fourth lens element, a fifth lens element and asixth lens element; wherein each of the six lens elements has anobject-side surface facing towards the object side and an image-sidesurface facing towards the image side; wherein the first lens elementhas negative refractive power, the image-side surface of the first lenselement is concave in a paraxial region thereof, the second lens elementhas positive refractive power, the object-side surface of the secondlens element is convex in a paraxial region thereof, the object-sidesurface of the sixth lens element is convex in a paraxial regionthereof, and the image-side surface of the sixth lens element is concavein a paraxial region thereof and comprises at least one inflectionpoint; wherein the optical imaging module further comprises an aperturestop, an axial distance between the second lens element and the thirdlens element is larger than an axial distance between the fifth lenselement and the sixth lens element, a maximum value among refractiveindices of the six lens elements is Nmax, an axial distance between theaperture stop and the image-side surface of the sixth lens element isSD, an axial distance between the object-side surface of the first lenselement and the image-side surface of the sixth lens element is TD, andthe following conditions are satisfied:1.66≤Nmax<1.72; and0.50<SD/TD<0.80.
 24. The optical imaging module of claim 23, wherein theimage-side surface of the fifth lens element is convex in a paraxialregion thereof, and at least one of the object-side surfaces and theimage-side surfaces of the fourth lens element and the fifth lenselement comprises at least one inflection point.
 25. The optical imagingmodule of claim 23, wherein the axial distance between the second lenselement and the third lens element is T23, the axial distance betweenthe fifth lens element and the sixth lens element is T56, and thefollowing condition is satisfied:0<T56/T23<0.80.
 26. The optical imaging module of claim 23, wherein afocal length of the first lens element is f1, a focal length of thefifth lens element is f5, and the following condition is satisfied:0.30<f1/f5<1.0.
 27. The optical imaging module of claim 23, wherein acurvature radius of the object-side surface of the third lens element isRS, a curvature radius of the image-side surface of the third lenselement is R6, a half of a maximum field of view of the optical imagingmodule is HFOV, and the following conditions are satisfied:0<(R5+R6)/(R5−R6)<1.0; and1.20<tan(HFOV)<6.0.
 28. The optical imaging module of claim 23, whereina focal length of the first lens element is f1, a focal length of thesecond lens element is f2, an axial distance between the first lenselement and the second lens element is T12, the axial distance betweenthe second lens element and the third lens element is T23, and thefollowing conditions are satisfied:|f1/f2|<3.0; and0<T12/T23<2.80.
 29. An optical imaging module comprising six lenselements, the six lens elements being, in order from an object side toan image side: a first lens element, a second lens element, a third lenselement, a fourth lens element, a fifth lens element and a sixth lenselement; wherein each of the six lens elements has an object-sidesurface facing towards the object side and an image-side surface facingtowards the image side; wherein the first lens element has negativerefractive power, the second lens element has positive refractive power,the object-side surface of the second lens element is convex in aparaxial region thereof, the object-side surface of the sixth lenselement is convex in a paraxial region thereof, and the image-sidesurface of the sixth lens element is concave in a paraxial regionthereof and comprises at least one inflection point; wherein an axialdistance between the first lens element and the second lens element islarger than an axial distance between the fourth lens element and thefifth lens element, an axial distance between the second lens elementand the third lens element is larger than an axial distance between thefifth lens element and the sixth lens element, a maximum value amongrefractive indices of the six lens elements is Nmax, an axial distancebetween the object-side surface of the first lens element and an imagesurface is TL, a maximum image height of the optical imaging module isImgH, and the following conditions are satisfied:1.66≤Nmax<1.72; andTL/ImgH<3.50.
 30. The optical imaging module of claim 29, wherein thefifth lens element has negative refractive power.
 31. The opticalimaging module of claim 29, further comprising: an aperture stopdisposed between the second lens element and the third lens element;wherein a half of a maximum field of view of the optical imaging moduleis HFOV, and the following condition is satisfied:1.20<tan(HFOV)<6.0.
 32. The optical imaging module of claim 29, whereinthe axial distance between the object-side surface of the first lenselement and the image surface is TL, the maximum image height of theoptical imaging module is ImgH, a vertical distance between a criticalpoint in an off-axis region on the image-side surface of the sixth lenselement and an optical axis is Yc62, a focal length of the opticalimaging module is f, and the following conditions are satisfied:1.50<TL/ImgH<2.50; and0.50<Yc62/f<1.0.
 33. The optical imaging module of claim 29, wherein theaxial distance between the first lens element and the second lenselement is T12, the axial distance between the second lens element andthe third lens element is T23, an axial distance between the third lenselement and the fourth lens element is T34, the axial distance betweenthe fourth lens element and the fifth lens element is T45, the axialdistance between the fifth lens element and the sixth lens element isT56, and the following condition is satisfied:(T12+T56)/(T23+T34+T45)<3.0.